WW2 USN Submersibles

US Navy ww2 USA 355 submersibles (1917-45)

The US Navy submarines (Submersibles*) contribution to the war are certainly greater than Battleships, and on par with the aircraft carriers and LSTs in helping turning the tide of the war in 1942. In the Pacific, they were instrumental in the defeat of Japan, using the same tactics as German U-Boats but with much more success as the IJN was late to implement efficient ASW tactics. When this error was realized it was too late already: Immense quantities of vital supplies for the Japanese industry has been sunken.

poster American submarines of ww2
Poster (free to share and reused - CC licence) of the USN Submarines, seen in totality (the whole 355 of them).

But not only, like German U-Boat captains, USN sub captains achieved outstanding "kill boards", destroying aircraft carriers, battleships, cruisers and destroyers as well. Almost twice as large as the fetish German Type VII, tailored for the Pacific, American submarines were built en masse and their legacy and service years in the cold war for many, secured their place in the USN hall of fame of the last century. (*note, "submarines are able to stay underwater for great length of time, whereas 'submersibles' in WW2 are torpedo boats that can dive).

USS Paddle

A brief on American Submarines

USS Gato cutaway

> See the WWI USN submarines Before 1919 US submarine design emphasised underwater performance and quick diving; that made them generally unseaworthy on the surface. They were completely unable to cross the North Atlantic unescorted. The performance of the German U-Boats had a deep impact regarding surfaced performance, and these concepts shaped US submarine development in the interwar. The characteristics of the large US 'fleet boats' of World War II were strongly influenced by German design with specifics looking forward an intermediary between a proper "submarine cruiser" and a standard fleet model.

Such was the influence that the hull form of the USS Argonaut was modelled faithfully on the German late "U-Kreuzers" and the Cachalot class were largely based on the U135. US submarines were powered by diesels built under a German licence for the greatest part of the 1920s but in the 1930s a new generation of lightweight diesels were introduced, entirely of domestic origin. Emphasis was also put on electric power, and many experiments were made in direct drives, turbo-electric or hybrid, composite units. In the end, standard diesel-electric units were preferred as more reliable. Flooding of the engine compartment also became a primary concern.

Interwar Doctrine

USS Gato 1941

The major factor in US submarine development was the expectation of Pacific warfare: Models would be required both to interfere with Japanese operations in waters inaccessible to the US surface fleet, and to provide vital strategic intelligence - both of which functions it carried out very effectively in the war. Such operations required a long cruising radius and long endurance on station. This was militated against small submarines of other navies, and notaly Germany. So despite the fact nearly 300 subamrines were built by the United States during the war, each had twice the tonnage of the average Type VIIC, so this was equivalent in reality to 600 submarines to European standards. In the wide expanses of the Pacific, the IJN also used large, if not very large "cruiser" submarines. The main difference between the two was they were NOT setup to attack merchant traffic but only and uniquely military targets.

U.S. Navy submarine doctrine was to support the surface fleet by conducting reconnaissance and attacking large enemy warships. Merchant ships were regarded as secondary targets, and they could only be attacked through prize rules set out in the London Naval Treaty. Crucially the USN submarine doctrine evolved in wartime, to attack merchant traffic, and "targets of opportunity" which could be military vessels when spotted. So it became the reverse as the standard peacetime doctrine, dictated by emergency. A great deal of independence was given to USN captains in operations given a certain frame and mission, whereas the Japanese tended to operated with other specialized submarines in teams and for more detailed, specific missions and purposes.

Wartime Doctrine

USN submarines has long been tailored as advanced scouts for the main fleet. But if they effectively served in that role, even sinking aircraft carriers or major ships, the bulk of their action was through unrestricted sub warfare in long range patrols. The other way to see submarines in a planned operational mode was a bit like a semi-mobile point defence. Given the fact they were slower, the admiralty tended to place them in "curtains" to ambush enemy squadrons.

This tactic resemble those of Rommel in the desert war 1941-43 when he lured allied forces with a few tanks and draw these forces on prepared positions with antitank guns. At 21 knots, USN subs in surface were perfectly able to follow a fleet, which in general had to cruise slower to be followed with tankers and supply ships. The average speed of a Japanese freighter was around 12-14 knots, not far away from the economical cruise speed of the USN submarines, at 10 knots, allowing the greatest radius of action. USN sub commander soon earned a reputation, at least internally, having an elite status, and the crews were generally better treated than their German counterparts, with roomy accomodations, air conditioning and fresh water distillation units. This all helped to develop a strong esprit de corps.

USS Gato


USS Drim preserved at Mobile Alabama
USS Drum preserved at Mobile, Alabama

Submarine torpedoes

> 21" (53.3 cm) Mark 10
There were two types of torpedoes, the early Bliss-Leavitt 21" (53.3 cm) Mark 9b, no longer in use (introduced 1912) and the more common submarine type 21" (53.3 cm) Mark 10 introduced in 1917. The Mod 0 weighted 2,050 lbs. (930 kg) and the Mod 3 2,215 lbs. (1,005 kg). It was 183 in (4.953 m) long with a 400-485 lbs TNT. warhead. It was able to reach 5,000 yards (4,570 m) at 30 knots, up to 3,500 yards (3,200 m) at 36 knots for the mod 3. It was powered by a Wet-heater and guided by a Mark 13 Mod 1 gyro. Last model produced by Bliss at the Naval Torpedo Station, Newport. Used by the "S" class submarines.

> 21" (53.3 cm) Mark 14
This infamous model was designed in 1930 and entered service in 1931. It was 20 ft 6 in (6.248 m) long, weighted 3,000 lbs. (1,361 kg), carrying a 507 lbs. (230 kg) TNT warhead, and in its basic setting could reach 4,500 yards (4,100 m) at 46 knots or 9,000 yards (8,200 m) at 31 knots but reports showed this setting was rarely used during the war. The modification (Mark 14 Mod 3) torpedo weighted 3,061 lbs. (1,388 kg), and carried a 668 lbs. (303 kg) Torpex warhead. It was capable of reaching 9,000 yards (8,200 m) at 30.5 knots. Both models were powered by a Wet-heater steam turbine and carried a Mark 12 Mod 3 gyro. Developed as a replacement for the Mark 10, this was the standard submarine torpedo of WW2. Modified versions stayed were still used in the 1970s.

> 21" (53.3 cm) Mark 16
Developed to replaced the Type 14 it was a high-performance but high-cost torpedo. Introduced in 1945 it had no time to see wartime service but became standard-issue up to the mid-1970s. 1,700 in total were produced.

Submersible deck guns

> 3"/50 (7.62 cm) Mark 17-18. standard deck gun first designed in 1915 and retired in 1944. The standard version was a 50 caliber. Usually Mark 17/18 with wet mountings were used on submarines, and they had the A tube, jacket and hoop of the previous versions.
> 4"/50 (10.2 cm) Marks 9: The Mark 9 was used both on destroyers and submarines, from an A tube, full length jacket, muzzle swell and using Smith-Asbury type side swing breech mechanism with a Welin block. Later monobloc construction was adopted and chromium plating used to increase life. Ud in particular on all Gato, Tench and Balao classes.
> 5"/51 (12.7 cm) Mark 9: These used a side-swing Smith-Asbury Welin breech block, a breech bush and liner locking bush (Mark 8). The Mark 9 was similar but tailored for submarines with a different screw box liner, breech and chamber. Semi-fixed ammunition were indeed provided. They were used on the Barracuda (SS-163), Bonita (SS-164) and the British "T" class submarines (SS-198).

AA Armament

-0.3 cal. MG AA. Twin or Single mounts, inside the "bathtub" of the kiosk at the rear. They were pretty useless against 500 kph planes and were removed during the war, when their kiosk was rebuilt and modernized as well.
-0.5 cal. Browning M2HB. The iconic "ma deuce" became the standard AA onboard submarines until replaced by the 20 mm Oerlikon.
-1 in (20 mm) Oerlikon gun. Installed on platforms on modernized kiosks of older submarines from 1942 onwards. Much more efficient against modern planes.
-3 in/50 gun: This dual purpose deck gun could be used with proximity fuses against aerial targets.

Wartime modifications were extensive, Generally involving the addition of 20 mm AA guns, replacing 0.3 in cal. MGs, and the replacement of light deck guns by heavier ones (culminating in the installation of the 'wet' 5in/25 single-purpose gun)

WW2 USN subs in action

USS Runner

The Pacific campaign: A decisive rampage

The bulk of the USN Submarine force, fifty-one boats, were based in the Pacific, between Pearl Harbor, the west coast of the U.S., and at Manila, in the Philippines. Despite a slow beginning after Pearl Harbor attack and the problem of defective torpedoes, the USN Submarine Force destroyed 1,314 enemy ships in the Pacific, 55% percent of all enemy ships lost and, representing a total of 5.3 million tons of shipping. 16,000 U.S. submariners participated in the pacific and Atlantic, Mediterranean campaign, loosing 375 officers and 3,131 enlisted men in 52 submarines total, the lowest casualty rate of any submarine service during the war.

US Subs also conducted reconnaissance patrols, landed special forces and guerrilla troops (Notably with the refitted Nautilus and Narwhal class) in the Philippines and performed search and rescue tasks, notably stranded pilots. The other allied submarines to operate, taking the rest of the IJN tonnage lost, were British and Dutch submarines. The latter were especially successful and we will make a dedicated post on the matter. The British for example only The British had 15 modern submarines in the Far East in September 1939, 4th Flotilla, China station and later the 8th Flotilla arrived at Ceylon, but both were soon withdrawn to be sent in the Mediterranean, leaving the 15 Dutch boats based at Surabaya to operate in these waters.

Early operational (poor) results were linked to obsolete boats (the WW1 generation R and S class), classic doctrine, to misfortunes due to poorly functioning torpedoes. These problems took time to be assessed by the ordnance and not really solved until 1943. It was to wai for the submarine force proved so successful that the programme for new surface ships was curtailed in 1944 as well as submarines: Indeed, the ones already in operation were starting to simply run out of targets. They succeeded where the Kriegsmarine failed for the Atlantic, despite the lower numbers of submarines and much larger area of operations: Japanese shipping routes spanned the Pacific from the Gilbert Islands to the Malay Peninsula, from the Kuriles to the Dutch East Indies. That was far more surface area to cover than the Atlantic north and south.

Before the war submarines were attached to the three U.S. Fleets, Atlantic, Pacific and Asiatic Fleets. Soon the Pacific fleet represented the bulk of the action, extended during wartime while the Asiatic force was renamed Commander Submarines, Southwest Pacific (ComSubSoWesPac) and later 7th Fleet. It was divided between the ComSubPac (or ComSubForPac) and ComSubSoWesPac along the 20° north parallel from the coast of China to a line just a few miles east of the Philippine Archipelago, then directly south to the equator, and then eastward along the equator.

Makin raid
Makin raid: As seen by USS Nautilus's periscope. 'Spec-ops' operations often required modified submarines, just like the British in the Mediterranean or Norway.

From 1942, older generation (interwar) models were modified. The huge USS Argonaut, Nautilus and Narwhal for example, for special operations, with holds to carry personal. But also all classes undergone refits: They were large increases in the number of 'limber' (free-flooding) holes to improve diving time for example. A relatively slow dive was the legacy of the US emphasis on surfaced performance. Radar were installed, both for air search and for surface search and fire control, and a wide variety of sonars, notably a special mine-detection set. This crucially, permitted US submarines to penetrate IJN ASW mine barrages of the Sea of Japan and to rampage in Japanese home waters as well. Kiosks were also rebuilt, smaller and lighter, with open-deck and platforms for a better AA. Also submarines started to operate homing torpedoes for anti-escort operations, analogous to the German "Gnat".

USN ww2 submarines sank the bulk of Japanese merchant tonnage in 1942-45, they were more successful than planes in this regard, severely hampering Japanese operations and largely contributing the victory in the Pacific. The Japanese main fleet of the Dutch East Indies in 1944 was unable to operate for example mainly because the IJA was deprived of oil. Tankers became absent of these waters. It's not they all had been sunk, but they just refused to operate in these waters. This went so badly that the Japanese developed in 1944-45 series of small supply submarines, hoping they would escape the vigilance of USN submariners.

By extension on land, planes could not fly, trucks and tanks could not start. On many isolated islands of the pacific, supplies failed to reach garrisons left to eat what they would cultivate or forage in the area. More important islands were deprived of munitions as well and worst of all, the loss of thousands of troop reinforcements. All this accelerated the fall of the IJA, and of the Japanese industrial capabilities as well. Indeed, the Japanese home islands was soon deprived of critical war materials. Importations fell from 20 millions tons in 1941 to 10 millions in 1944. This, combined with a more intensive bombardment campaign from mid-1944 gradually starved and destroyed any means of production, even more badly than in Germany, where it was reorganized, hidden and modularized by Albert Speer. The paradox is that the allied submarine campaign is one of the least-publicized feats in military history, first off because it was kept secret from the medias, and even from the Congress in the US, as the admiralty applied an unrestricted submarine warfare without formal consent. Indeed, the US was tied to the London Naval Treaty, which required submarines to abide by prize rules ("cruiser rules"), and must be therefore armed auxiliaries.

Yamakaze sunk
IJN Shimakaze torpedoed and sinking, as seen from a USN sub' periscope.

The torpedo scandal

USN Submarines alternated between deck guns and torpedoes depending on the situation. Due to the nature of silent penetration in the enemy controlled areas, torpedoes were of course more common and the 5-in gun was estimated the only one viable for easy surface preys. If one or two 3 or 5-inch plus 50-caliber machine guns were carried, the typical torpedo load was ten ready 21-inch torpedo tubes and 18 spare torpedoes, so 28 total. Each one was capable to sink a ship on its own, in theory.

TNT was the staple of warheads early in the war, but it shifted to the more powerful Torpex. However, the explosion force was not the main issue with early operations: The main service torpedo was called the Mark 14. Rushed into production with incomplete testings, it proved a ordnance major fail during this war. Frustrated Captains reported "duds" (torpedoes failing to explose after contact, as the Mark 6 exploder proved unreliable) but also runs below the enemy hull as the type did not remained at the proper depth setting after launch. But what topped everything up was the circular run. Among submarines in wartime sank in foggy conditions (it was assumed generally by IJN depht charges), there are strong suspicion that at least in several occasions, it was a self-inflicted torpedoing. At least one report of a sub that barely escaped that event and was still around to tell about it forced to reconsider the guidance.

For the exploder, the ordnance engineers thought at first it as the fault of the magnetic influence fuzing. In June 1943, Admiral Nimitz ordered their retirement and replacement by older, trusted models. He ordered an enquiry from the materiel establishment to discover the reasons for malfunctions, but it proved very difficult to convince the Bureau of Ordnance that the failures were not caused by personnel management. VADM Lockwood fire tested torpedoes against seaside cliffs at Kohoolawe in Hawaii and eventually proved the charges were grounded, showing that the firing pin design was defective. Until these issues were fixed in 1943, Sub captains took extraordinary risks for often little results. The Bureau of Ordnance finally aknowledged a major redesign of the troublesome Mark 14 torpedo was necessary.

USN Submarine aces

Althought as it was said above, the "silent service" was also silent in the medias, submariners and their officers did not shy of actions and rampaged though Indonesia, the Philippines, the Gilbert, Marshall, Caroline and Mariana Islands, New Guinea, the Dutch East Indies, and the western Aleutians, some reaching elite status, ad becoming "aces" of their own, in fact the most prominent allied submarines aces of the war.

statistic top aces
Despite the lack of publicity, statistics were gathered by the Joint Army-Navy Assessment Committee (JANAC) while surviving WWII submariners have recognized a few top skippers and their submarines. Now this heritage is better known and recalled in the preserved USN submarines used as museums today.
The subject is the matter for a fully-fledged article, so it can be at least discovered in this excellent article from usn-history.

The forgotten USN subs of the Atlantic

It was clear that early on the Pacific was designed as the main theater of operations for submarines. First off because the number of serviceable American submarines was limited. The Chief of Naval Operations left a directive on 7 December 1941 to "Execute unrestricted (air and) submarine warfare against Japan". Main mission was anti-ship, especially prized targets such as Japanese capital ships and later in the war, priority was placed on merchant ships to hamper critic Japanese supplies war materials in general, fuel, and food.

On 13 April 1944, the new submarines targets were fleet destroyers, in order to reduce the defensive strength of combatant groups, but secondary always to merchant shipping, and into that, the utmost priority was given on tankers. Current doctrine for the Pacific
On other fronts it was not as clear, but the Atlantic had priority over the Mediterranean (from November 1942).

There is an interesting aspect of the battle of (Western) Atlantic, operations conducted in and around the Caribbean Sea, where U-boats were present in 1942. There is a thesis on the matter, "American Antisubmarine Operations in the Atlantic, May 1943-May 1945," by Dr. Philip K. Lundeberg. American submarines played only really a minor role in the defeat of Germany and the whole force never exceeded the six boats of a single unit operating called Submarine Squadron 50 it spent only eight months on station, patrolling off Western and Northern Europe but their results there were meager. Indeed, axis surface ships were rare in these waters, while catching U-Boats was difficult.

“Subron 50” was not subjected to some "grand strategy" but it came from a personal request by Winston Churchill during the Second Washington Conference in June 1942. He reasoned that these submarines having superior endurance and firepower coulg bring some help in the North Atlantic, taking the role of smaller British subs operating on the North Sea and Mediterranean.

The commander in chief, Admiral Ernest J. King, at first disagreed and argued none could be diverted to the Pacific. But President Roosevelt prevailed and on September 3, 1942, Submarine Squadron 50 was based at New London, Connecticut, and six Gato-class boats were gathered by Captain Norman S. Ives. The first made their trip to UK in the end of October (19), USS Blackfish, Gunnel, and Shad, followed by Herring and Barb (20) and USS Gurnard two weeks later. Their definitive operating base was U.S. Naval Base II, in Rosneath, Scotland, 24 miles northwest of Glasgow.

However their first important mission was in the Mediterranean deployed for the first large-scale allied amphibious landings, Operation Torch, in French North Africa. USS Barb was assigned the task to drop GIs off in Morocco, south of Casablanca. USS Gunnel was also operating there, but near-missed by an allied air attack. Meawnhile, USS Blackfish was interdicting Vichy French reinforcements from Dakar. On November 8, USS Herring mde the first "kill" of this force, sinking the Vichy-French liner Ville du Havre. Next, the squadon was back in Scotland and deployment consisted in hunting blockade runners transporting goods from neutral Spain to Vichy France in the Bay of Biscay.

Read More/Src


Visual References (Pinterest)

Visual references:

Modellers corner

Gato class model kit
Blueprints on the floatingdrydock.com

-USS GATO SS-212 (1944) Fleet Sub 1/200 Riich
-USN Guppy II Class Submarine 1/350 AFV Club
-GATO Class Submarine 1/350 AFV Club
-USS Gato Class Submarine 1941 1/350 AFV Club
-Revell Gato-class submarines 1/72 -Review
-Tamiya 1/700 WL series package CV Taiho & USN Gato/IJN Sub Chaser No. 13
-Aoshima 1/700 WL series USS Gato
-Doyusha 1/700 SS212 1944
-AFV Club 1/350 Gato class 1941
-HobbyBoss 1/700 USS Balao
-HobbyBoss 1/700 USS Gato

-US Submarines 1941 45 by Christley, Jim (Osprey Publishing, 2006)
-Sqn Signal 28 Gato class subs in action
-U.s. Submarines Since 1945: An Illustrated Design History by Norman Friedman



3D Corner


Nomenclature of American submarines of WW2

R class subs (1918-19)

USS SS13, R class submarines
The SS13 in 1941 (1/400). Class: 27 boats total, 19 in service 1941

These old boats had for them an advanced design in 1918, rock solidity and good diving performance, compared to other models, as well as scrupulous maintenance. So it is no coincidence that 19 of them, out of a total production of 27, were still in service in the United States Navy, mainly paid to the reserve or used as school boats. Some were transferred to Great Britain. Only one was lost by acts of war, while returning to the British in June 1942 following a collision. The others ended the war peacefully and were scrapped in 1946.
Characteristics (1941)
Displacement: 570 t surface, 680 t submerged Dimensions: 56,74 x 5,5 x 4,42 m Propulsion: 2 shaft, diesels, 2 Westinghouse eletcric motors 4,000 hp 13,5/10,5 knots surf/subm. Armament: 4 x 533 mm bow TTs, 1 deck 3-in gun (76 mm). Crew: 30

S class subs (1920-23)

USS SS13, R class submarines
SS39 in 1941

Class: 51 boats

The production of submarines was almost constant in the USA between the two wars. Last series designed at the end of the great war, and drawing lessons from the conflict, the S class sometimes also called "Sugar" class included 51 units, built and launched at Bethlehem Steel and Union Iron Works (Electric boat Cie, type Holland) for the first group, Portsmouth Navy yard and Lake for the second, Fore River for the third and Lake again for the fourth, the last being launched in 1925 and accepted in service the following year. Based therefore on the average ocean design of O and R, they did not have the range to intervene effectively in the Pacific.

The majority therefore served in the Atlantic, and they formed the spearhead of the fleet of American submarines from the interwar period. Three were lost at sea, then three other scrap. From the forties they passed to schooling, the provisioning, the patrols and the coastal defense, then in 1943, all were versed in the training of the young recruits. Six in this role were transferred to the Royal Navy. 5 were lost of which only one, the S44 by acts of war in October 1943. Their specifications varied greatly from one series to another.
Characteristics (1941)
Displacement: 906 t surface, 1230 t submerged Dimensions: 65-73 x 6,3-6.6 x 4,1-4.9 m Propulsion: 2 shaft diesels, 2 Westinghouse eletcric motors 1,000/600 hp 15/11 knots surf/subm. Armament: 4-5 x 533 mm bow TTs, 1 deck 4-in gun (102 mm). Crew: 43

Barracuda class subs (1924)

USS Barracuda
USS Barracuda in 1943
Class: USS Barracdua - V1-V3

From the T series dating back to 1919, the Barracuda learned lessons from the war and from the study of U-boats awarded for repair. Post-Washington type, they were designed for a long cruise and were part of no less than 8 quite different prototypes. They also took advantage of MAN diesels, built under license, and Westinghouse electric motors of a new model, giving them a total of 80 days of mission time at sea. The USS Barracuda was therefore the first of these eight prototypes (V1), followed by the USS Bass (V2) and the USS Bonita (V3).

Their powerful diesels gave them a speed (on paper) of 18.5 knots, normally sufficient to follow the squadrons. They therefore constituted a fundamental break with the "Holland" models built so far, excellent in diving but slow on the surface and of low autonomy. Their range was 6,000 nautical miles and their practical depth was 122 meters. In 1934, their age and semi-experimental nature relegated them to the reserve, and they were used from 1941 as training units.
Characteristics (1941)
Displacement: 2119 t surface, 2500 t submerged Dimensions: 109.96 x 8.4 x 4,6 m Propulsion: 2 shaft MAN/Sulzer diesels, 2 Westinghouse electric motors 6,200 hp 18.7/9 knots surf/subm. Armament: 4 x 533 mm bow, 2 Stern TTs, 1 deck 5-in gun (127 mm). Crew: 85

Narwhal class subs (1927)

USS Narwhal
USS Narwhal in 1939
Class: USS Narwhal, Nautilus

The V5-V6 series (Narwhal and Nautilus) were two prototypes of the 1916 program derived from the study of the U135. Like the Argonaut, they bet on the concept of ocean cruisers, with in particular a very great autonomy. Shorter than USS Argonaut, they were nonetheless deeper (5.88 instead of 5.16 m) and therefore had a tonnage of nearly 4000 tonnes when diving. They were therefore for almost 40 years the largest submarines in service in the US Navy. It was the USS Nautilus of 1957, the first SNA, which exceeded in tonnage its ancestor of the same name.

Their MAN diesels under license practiced big problems of vivrations and sound insulation and were therefore replaced in 1941 by Morse- Fairbanks, and their electric motors by those of the Gato series. In 1942-43 they mainly served to supply isolated garrisons in areas controlled by the Japanese navy. Their kiosk was rebuilt and rearmed to 1943 submersible standards. They then went to training and were struck off the lists in 1945.
Characteristics (1941)
Displacement: 2987 t surface, 3960 t submerged Dimensions: 113 x 10.15 x 5,88 m Propulsion: 2 shaft MAN/Sulzer diesels, 2 Westinghouse electric motors 5,630/1300 hp 17.4/8 knots surf/subm. Armament: 4 x 533 mm bow, 2 Stern TTs, 2 deck 5-in gun (127 mm), 2x 20 mm Oerlikon AA. Crew: 89

USS Argonaut (1927)

USS Argonaut in 1939 (scale 1/400)

The USS Argonaut was a unique case in the US Navy. Designed from a German design of "ocean submersible cruiser", it was at the forefront of a long series of experiments and limited series that would forge the new generation of American submarines, especially that of the many " fleet subs "of the war. In the early twenties this concept of "big cruise" was in fashion. The British launched the X1 class, the French Surcouf, and the Italians the Ballila class. USS Argonaut was the result of three other prototypes and first to bore the name V4 before being accepted into service. This exceptional submersible, the largest ever built in the USA before the nuclear age, had a range of 16,000 nautical miles.

However from the drawing board, her large cruiser guns and low speed contained some contradictions which made her less suited for her interned role and she was modified on plans for minelaying. In this role, she was equipped to carry 60 mines. She was finally launched in Portsmouth in 1927 and completed, accepted in service in 1928. In wartime, the usefulness of a minelayer soon gave way to a more urgent role, that of supplying the Marines, especially those stranded at Guadalcanal. Renamed APS2, she received an enlarged room for troops and supplies and operated at Makin Island in August 1942. She was sunk by the Japanese navy in January 1943.
Characteristics (1941)
Displacement: 2987 t surface, 3960 t submerged Dimensions: 113 x 10.15 x 5,88 m Propulsion: 2 shaft MAN/Sulzer diesels, 2 Westinghouse electric motors 5,630/1300 hp 17.4/8 knots surf/subm. Armament: 4 x 533 mm bow, 2 Stern TTs, 2 deck 5-in gun (127 mm), 2x 20 mm Oerlikon AA. Crew: 89

USS Dolphin (1931)

USS Dolphin
USS Dolphin in 1939

This unit, launched in March 1932, tried to answer to the problem of meeting an acceptable compromise for an oceanic long-range submersible, with a production perspective. She was a late prototype, part of the "V" program initiated in 1916. An ideal compromise was reached by sacrificing speed, at least on paper. Indeed, USS Dolphin was disappointing in testing, and later in operations. She was used for training during the war, discarded after V-day in September 1945 and scrapped in 1947.
Caracteristics (1941)
Displacement: 1688 t surface, 2215 t submerged Dimensions: 97.31 x 8.5 x 4 m Propulsion: 2 shaft MAN/Sulzer diesels, 2 Westinghouse electric motors 3500/1750 hp 17/8 knots surf/sub. Armament: 4 x 533 mm bow, 2 Stern TTs, 1 deck 4-in gun (102 mm), 4x 8 mm MGs. Crew: 66

Cachalot class submarines (1933)

USS Cachalot
USS Cuttlefish in 1937

The experimental series of Vs initiated in 1916 will see its logical conclusion with the "Cachalot", a limited series of 2 units starting with the top seed, the V8 (SC4) then USS Cachalot (SS-170). Built in Portsmouth Naval Yard, Kittery, it was based on the USS Dolphin while trying to improve a certain number of points, but especially on the design of the U135 of which it was an "Americanized" version... Launched in October then accepted in service in December 1933, its hull was reinforced to dive more than 190 meters, while its speed was further reduced to make more room for fuel oil, hence a comfortable radius of action of 16,000 nautical miles and a carry of 16 torpedoes, which extended their operational capabilities.

They used a full double hull, and were smaller than the previous generation, with new, powerful MAN diesels giving them a speed of 17 knots. He was followed by his sister-ship V9 (USS Cuttlefish). The latter differed in many respects. It was entrusted to Electric boat, a private contractor, a first since the early 1920s, was a little more spacious, used air conditioning, and its hull was partially welded. In use, their diesels gave so much vibration that they were replaced by General Motors. They also tested the first torpedo calculation computer. In the end, their too cramped design condemned them to short patrols. They made three trips to the central Pacific during the war, without success, then went to training in New England and were retired from service in 1945.
Characteristics (1941)
Displacement: 1120 t surface, 1650 t submerged Dimensions: 83 x 7.5 x 4.27 m Propulsion: 2 shaft MAN/Sulzer diesels, 2 Westinghouse electric motors 2750/1500 hp 17/8 knots surf/sub. Armament: 4 x 533 mm bow, 2 Stern TTs, 1 deck 3-in gun (76 mm), 2x cal.03 mm MGs+ 3x cal.05. Crew: 51

Porpoise class submarines (1934)

Class: USS Porpoise, Pike, Shark, Tarpon, Perch, Pickerel, Permit, Plunger, Pollack, Pompano
USS Porpoise
USS Porpoise en 1944

USS Shark
USS Shark en 1942

USS Perch
USS Perch en 1939

The boats of the Porpoise class (or "P" class) were an evolution of the prototype USS Cachalot, but taking in account all the limitations of the previous boats, notably those discovered during sea trials. The Porpoise class was at the origin of three pre-series built between 1934 and 1937 : The Porpoise (P1) group also comprised the USS Pike, while USS Shark (P2) comprised the USS Shark USS Tarpon, and the Perch class (P3), comprises the USS Pickerel, Permit, Plunger, Pollack et Pompano. They are generally considered as the beginning of the lineage that would lead directly to the famous wartime "Gato" class.

Dimensions were quite superior to the previous boats, with about 91 meters long. The underwater tonnage was about 1934 to 1998 tonnes. To reduce vibrations it was attempted a new arrangement by diesel engines coupled with electric generators. All electric propulsion did not gave satisfaction in the admiralty, Intermediary power lost amounting to 360 hp. The Winton 16-201 diesels proved troublesome and the boats were later (1942) refitted with new 12-278A models, reliable and more powerful. As the same time, all units were re-equipped with more conventional arrangements. Operational radius was about 12,000 nautical miles and they carried 16 torpedoes, so they were ideally suited for an extended service in the Pacific.

Their diving time was also improved thanks to new apertures and ballasts arrangements, and their construction called for welding all-around, a first at that time. This gave the benefit of both lightness and better resistance to vibrations and leaks when depth-charged. Max test depht was about 250 meters (820 feets), a real improvement compared to the previous classes. These units were also modernized in 1942, fitted with a sonar and radar, and brand new command center in the kiosk. The latter was also rebuilt completely in 1943 notably to place two aft staged platforms for oerlikon 20 mm guns while receiving a new surface radar. These boats were considered recent enough to be frontline in the pacific until 1944. They were then moved to home waters to be used as school subs until the end of the war and discarded soon after. They were broken up in 1946. The long "fleet boats" line they would inaugurate will go up to the "Tang" of 1951.
Characteristics (1941)
Displacement: 1350 t surface, 1990 t submerged Dimensions: 91.6 x 7.9 x 4.6 m Propulsion: 2 shaft Winton diesels, 4 GE electric motors 2600/4000 hp 19/8,7 knots surf/sub. Armament: 4 x 533 mm bow, 2 Stern TTs, 1 deck 4-in gun (102 mm), 4x 7.7 mm MGs (1942 2x 20 mm AA) Crew: 50

Salmon class submarines (1937)

Class: USS Salmon, Seal, Skipjack, Snapper, Stingray, Sturgeon
USS Salmon
USS Salmon en 1938

The successful experience with the three "P" subclasses (Porpoise, Shark, Perch), was rebooted by the admiralty to test three alternative builders for the FY 1936 serie: Electric boat, Groton (Salmon, Seal, Skipjack), Portsmouth Naval Shipyard (Snapper, Stingray) and Mare island naval shipyard, Vallejo (California) for the USS Sturgeon. All that worked well with the previous boats was repeated in the design but the kiosk was modified and made roomier, the hull was reinforced and enlarged, a more powerful engine was fitted, making the speed rise in surface.

The hull was also fitted with two more stern torpedo tubes (so for in all, like the bow, eight total). Four additional torpedoes were stored vertically in "wells" around the kiosk, and they required a long and careful procedure on the surface to reload the tubes. The problem was the same on the spacious Type IX U-Boats. The USN admiralty later estimated it was a too risky business, especially in close proximity with enemy bases. The subs built by electric boat tried a new double-action HOR (Hooven-Ovens-Rentschler) engines but they showed excessive vibration in use, and were replaced ultimately by more reliable Winton 12 cylinder units.

The hull was of the "double partial hull", with a part of the ballasts used as oil reserves. This system presented the advantage of allowing reparations of the external hull even submerged from the inside, as they could be partially filled with air, just enough to allow human intervention without a breathing apparatus, the crew proceeding inside via a sas.

The Salmon class boats entered service in 1937-1938 and were immediately sent in the Atlantic coast, notably for the defence of the panama canal zone. Once their station was over, they joined the Pacific, their first intended area of operations. They will demonstrate their excellent overall design, defending the Philippine with Sargo class boats, under orders of the admiral C. Hart. It appeared however that their large kiosk was too conspicuous and they were the first to receive a new standard kiosk, smaller, fitted with standard aft platforms for AA guns, which apparently were about to be generalized, as well as a surface radar. Their initial 4-in gun was judged too weak and replaced by a 127 mm gun in 1943. None of these submarine was lost, amazingly given what they went through, and they served on the front line until 1945, being retired afterwards.
Characteristics (Salmon, 1941)
Displacement: 1458 t surface, 2233 t submerged Dimensions: 94 x 7.96 x 4.78 m Propulsion: 2 shaft HOR/Winton diesels, 4 GE electric motors 5500/2600 hp 21/9 knots surf/sub. Armament: 4 x 533 mm bow, 2 Stern TTs, 1 deck 4-in gun (102 mm) (1943: 5-in), 4x 7.7 mm MGs (1942 2x 20 mm AA) Crew: 59

Sargo class submarines (1938)

Class: Sargo, Saury, Spearfish, Sculpin, Squalus, swordfish, Seadragon*, Sealion*, Searaven*, Seawolf*
USS Sargo
USS Sargo en 1938

Reaearches showed a single leak and flooding of the diesels could aso disabling the all-electric system therefore a direct-drive via hydraulic couplings was designed. The all-electric design of the Porpoise was not realized yet when the Sargo-class powerplant was designed. The Sargo were fitted with diesel-electric reduction gear drive and no composite system was ever used again. The reversion made for a shorter hull, doubling the battery capacity, ad fitting longer torpedo tubes. Therefore two more tubes were fitted in the stern. 24 torpedoes were carried in all, 12 in the forward torpedo room, 8 i the aft torpedo room and an extra 4 stored in external wells. 32 mines tailored for the torpedo tubes could also be carried.

In all they could reach 11,000 nautical miles at 10 knots, 30% kept diverted for battery charging. These subs were able to sustain 8-3/4 knots for one hour while submerged and sustain a 2 knots speed for 48 hours. There was indeed enough room inside to store breathable air plus air conditioning and an auxilia machinery for independent electric power. So these boats could sit on the bottom around 200 m deep and wait for tow days, largely enough for any IJN destroyer or sub-chaser to leave the area.

There was a later sub-class launhed in 1939, called "Seadragon" (SS194). Like the next three boats, these developed 5200 shp thanks to a diesel electric units. USS Squalus sank and helped identified, after being raised, a major defect with the main induction hatch. After being raised, she was renamed USS salfish. Sculpin, Sealion and Seawolf were sunk in action during the war. ike the other prewar boats they were modified in 1942-43, with a brand new kiosk, equipments, and AA guns.
Characteristics (Sargo, 1941)
Displacement: 1450 t surface, 2230 t submerged Dimensions: 92.20 x 8.18 x 5.08 m Propulsion: 2 shaft diesels, 4 GE electric motors 5500/2740 hp 20/8.75 knots surf/sub. Armament: 8 x 533 mm TTs (4 bow 4 stern), 1 deck 3-in/50 gun (76 mm) (1943: 5-in), 2x 0.3, 2x 0.5 cal. MGs Crew: 59

Tambor class submarines (1938)

Class: USS Tambor, Tautog, Tresher, triton, Trout, Tuna, Gar, Grampus, Grayback, Grayling, Grenadier, Grudgeon
USS Tautog
USS Tautog en 1940

This last pre-war class really became the mold into which the Gato class was shaped and mass-produced during the war. These units were not revolutionary in any way, they just proceeded from the same previous design of the Sargo class, with an almost unchanged hull, slightly shorter, with less draft, but widened, and a return to diesel-electric. They followed-up the adoption of a supplementary pair of bow torpedo tubes. While their blueprints were not even started and first sketches drawn, they were thought in the context of a rapidly degrading relations with Japan and it was established they would be featured in a scenario of commerce raiding against Japanese trade lines; Therefore their hull was strengthened and their displacement rose accordingly. Speed remained unchanged despite of this, the slight loss compensated by the adoption of a more powerful power unit.

The Tambor class boats carried all their 24 torpedoes internally, 16 forward and 8 aft. They could also carry 40 mines. They were found capable of operating at depths beyond 130 meters (426 feets) and their estimated crushing depht was estimated to be well beyond 250 meters (820 feets) in fact. The class comprised 12 boats launched between december 1939 and january 1941, including 7 which were sunk in operations. The five survivors were disarmed in 1948, 1959 et 1960.
Characteristics (Sargo, 1941)
Displacement: 1475 t surface, 2300 t submerged Dimensions: 92.2 x 8.3 x 4.57 m Propulsion: 2 shaft diesel-electric 5400/2740 hp 20/8.75 knots surf/sub. Armament: 6 x 533 mm bow, 4 Stern TTs, 1 deck 3-in/50 gun (76 mm) (1943: 5-in), 2x 0.3 cal. MGs (1942 2x 20 mm AA) Crew: 60

Mackerel & Marlin class submarines (1940)

Class: USS Mackerel, Marlin
USS Mackrerel
USS Marlin en 1941

These two singular boats, USS Mackerel and Marlin, were attempts to design light submarines, on the initiative of the expert of the submarines direction, admiral Hart. He envisaged the replacement of the oldest subs of the “S” class in order to better coastal defense, for which large oceanic vessels seemed too costly and ill-suited. These studies led to the launch of two experimental units, the USS Marckerel and Marlin were built, under FY39 procurement. They displaced 800 tonnes, and differed in their propulsion. They had a rather short radius of action but were well adapted to their function. USS Mackerel differed in size: 72.82 m long, 6.60 wide, 3.96 m draft, displacing 800/910 tons standard in surface and 1165 tons submerged. Her two shaft diesels developed 1700 shp (20 shop difference) and she was 0.3 knots faster. Armament remained the same for both.

However submariners did not liked them, finding them quite cramped. The concept was not followed as the war broke, and they played a minor role during the conflict, carrying out patrols near the coast before being disarmed in 1946-47. Before the war, the admiralty expressed the need for such submarines to defend the waters aroud the Paname canal, Hawaii, and the US Coast, but it never materialized as wartime emergency imposed a single mass-built fleet boat. The Gato class was next indeed.
Characteristics (Mackerel, 1941)
Displacement: 825/940 t standard surface, 1190 t submerged Dimensions: 74 x 6.73 x 4.27 m Propulsion: 2 shaft diesels-electric 1680/? hp 16 knots surface Armament: 6 x 533 mm TTs (4 bow, 2 Stern), 1 deck 3-in/50 gun (76 mm), 2x 0.3, 2x 0.5 in MG. Crew: 42

Gato/Balao/Tench class submarines (1940)

Class: SS212-529 (29 cancelled 29.7.1944)
USS Tench and Balao
USS Balao (top) and Tench (bottom) general appearance - 1/400 author's illustration

These slightly improved models of the FY41 and war programmes became the famous mass-produced US 'fleet boats.' The basic design was lengthened slightly for improved stability, more subdivisions in the engine rooms into two compartments, and a pressure-proof watertight bulkhead was introduced as a separation. The auxiliary ballast tanks were enlarged, to compensate for the variation in weights when carrying and spending 24 torpedoes or 40 mines. The longer hull also had the advantage of allowing the installation of 2000 bhp diesels, at least on paper, as they were planned for FY42 but never installed. More powerful generators were really fitted insted as a 1943 upgrade. A few boats tried electric motors coupled directly to the propeller shafts also.

Gato-class and very close Balao and Tench boats were designed to dive an cruisrer underwater at 300ft; but with simplifications in design and construction, more weight was saved, allwig a thicker hull, and this from SS285 onwards went down to 400 ft. In 1945, the SS475 group were admittedly claimed to crush below 750ft while operating at 450ft. Enough space was found to cram four additional torpedoes, so 28 total. Range was 11,000nm at 10kts/96nm at 2kts for all boats. Wartime modifications saw an enlightened bridgework,and platforms for 20mm and 40mm light AA guns.

They were placed on 'cigarette deck' platforms, installed fore and aft. Their initial single 3in/50 deck gun abaft the conning tower was soon swapped for a 4in/50 and later in the war, by a 5in/25 gun. The late boats were constructed so to allow an alternative gun mount positions fore and aft of the conning tower. Some captains even obtained the instalaltion of two 5-in/25 guns, fore and aft, and even rockets for shore bombardment were installed and tested. SS285-291 were given a single 1-4in/50, and a 40mm Bofors plus a two 0.5in Brwning M2HB. The SS292-312 serie was given a 5in/25 deck gun, a 40mm AA and two 0.5in HMGs, and the SS313-352, 365-378, 381-426, 435, 475-490 and 522-525 series receivede in alternative to the brownings a single oerlikon 20 mm.

This became standard from late 1943. Most of the Gato class were retained inservice long after the war, many being rebuilt as 'guppies' or 'fleet snorkels'; and ended in foreign service, making a strong part of the USN submarine force until the late 1960s.
Characteristics (Gato, 1941)
Displacement: 1526/1570 t standard surface, 2410 t submerged Dimensions: 95 (Gato 95.02 m) x 8.3 x 4.65 (Tench 4.70 m) Propulsion: 2 shaft diesels-electric 5400/2740 shp 20.25/8.75 knots surface/sub. Armament: 10 x 533 mm TTs (6 bow, 4 Stern), 1 deck 3-in/50 gun (76 mm), 2x 0.3 in MG. later 5-in, 2x 20 mm AA Crew: 80 in wartime

Naval History

❢ Abbrev. & acronyms
AAW// warfare
AASAmphibious Assault Ship
AEWAirbone early warning
AGAir Group
AFVArmored Fighting Vehicle
AMGBarmoured motor gunboat
APArmor Piercing
APCArmored Personal Carrier
ASMAir-to-surface Missile
ASMDAnti Ship Missile Defence
ASW// Warfare
ASWRL/// rocket launcher
ATWahead thrown weapon
avgasAviation Gasoline
awAbove Waterline
AWACSAirborne warning & control system
bhpbrake horsepower
BLBreach-loader (gun)
BLRBreach-loading, Rifled (gun)
BUBroken Up
CAArmoured/Heavy cruiser
CalCaliber or "/"
CGMissile Cruiser
CICCombat Information Center
C-in-CCommander in Chief
CIWSClose-in weapon system
CECompound Expansion (engine)
ChChantiers ("Yard", FR)
CLCruiser, Light
CMBCoastal Motor Boat
CMSCoastal Minesweeper
CNOChief of Naval Operations
CpCompound (armor)
COBCompound Overhad Beam
CODAGCombined Diesel & Gas
CODOGCombined Diesel/Gas
COGAGCombined Gas and Gas
COGOGCombined Gas/Gas
COSAGCombined Steam & Gas
CRCompound Reciprocating
CRCRSame, connecting rod
CruDivCruiser Division
CPControlled Pitch
CTConning Tower
CTLconstructive total loss
CTOLConv. Take off & landing
CTpCompound Trunk
CVAircraft Carrier
CVA// Attack
CVE// Escort
CVL// Light
CVS// ASW support
DADirect Action
DASHDrone ASW Helicopter
DCDepht Charge
DCT// Track
DCR// Rack
DCT// Thrower
DEDouble Expansion
DEDestroyer Escort
DDE// Converted
DesRonDestroyer Squadron
DFDouble Flux
DPDual Purpose
DUKWAmphibious truck
EOCElswick Ordnance Co.
ECMElectronic Warfare
ESMElectronic support measure
FCSFire Control System
fpsFeet Per Second
FYFiscal Year
GMMetacentric Height
GPMGGeneral Purpose Machine-gun
GRTGross Tonnage
GUPPYGreater Underwater Prop.Pow.
HAHigh Angle
HCHorizontal Compound
HCR// Reciprocating
HCDA// Direct Acting
HCDCR// connecting rod
HDA// direct acting
HDAC// acting compound
HDAG// acting geared
HDAR// acting reciprocating
HDMLHarbor def. Motor Launch
H/FHigh Frequency
HF/DF// Directional Finding
HMSHer Majesty Ship
HNHarvey Nickel
HNCHorizontal non-condensing hp
HPHigh Pressure
HRHorizontal reciprocating
HRCR// connecting rod
HSHarbor Service
HS(E)Horizontal single (expansion)
HSET// trunk
HTHorizontal trunk
HTE// expansion
ICInverted Compound
IDAInverted direct acting
IFFIdentification Friend or Foe
ihpindicated horsepower
IMFInshore Minesweeper
KCKrupp, cemented
KNC// non cemented
LALow Angle
LCLanding Craft
LCA// Assault
LCAC// Air Cushion
LFC// Flak (AA)
LCG// Gunboat
LCG(L)/// Large
LCG(M)/// Medium
LCG(S)/// Small
LCI// Infantry
LCM// Mechanized
LCP// Personel
LCP(R)/// Rocket
LCS// Support
LCT// Tanks
LCV// Vehicles
LCVP/// Personal
LCU// Utility
locolocomotive (boiler)
LSCLanding ship, support
LSD// Dock
LSF// Fighter (direction)
LSM// Medium
LSS// Stern chute
LST// Tank
LSV// Vehicle
LPlow pressure
lwllenght waterline
MA/SBmotor AS boat
MGMachine Gun
MGBMotor Gunboat
MLMotor Launch
MMSMotor Minesweper
MTMilitary Transport
MTBMotor Torpedo Boat
HMGHeavy Machine Gun
MCM(V)Mine countermeasure Vessel
MLMuzzle loading
MLR// rifled
MSOOcean Minesweeper
NCnon condensing
nhpnominal horsepower
nmNautical miles
NBC/ABCNuc. Bact. Nuclear
NSNickel steel
NTDSNav.Tactical Def.System
NyDNaval Yard
OPVOffshore Patrol Vessel
PCPatrol Craft
PDMSPoint Defence Missile System
psipounds per square inch
PVDSPropelled variable-depth sonar
QFQuick Fire
QFC// converted
RAdmRear Admiral
RCRreturn connecting rod
RFRapid Fire
RPCRemote Control
rpgRound per gun
SAMSurface to air Missile
SARSearch Air Rescue
SBShip Builder
SCSub-chaser (hunter)
SSBNBallistic Missile sub.Nuclear
SESimple Expansion
SET// trunk
shpShaft horsepower
SHsimple horizontal
SOSUSSound Surv. System
SPRsimple pressure horiz.
SSSubmarine (Conv.)
SSMSurface-surface Missile
sfsteam frigate
SLBMSub.Launched Ballistic Missile
spfsteam paddle frigate
STOVLShort Take off/landing
SUBROCSub.Fired ASW Rocket
tton, long (short in bracket)
TACANTactical Air Nav.
TBTorpedo Boat
TBD// destroyer
TCTorpedo carriage
TETriple expansion
TER// reciprocating
TFTask Force
TGBTorpedo gunboat
TGTask Group
TLTorpedo launcher
TLC// carriage
TSTraining Ship
TTTorpedo Tube
UDTUnderwater Demolition Team
UHFUltra High Frequency
VadmVice Admiral
VCVertical compound
VCE// expansion
VDE/ double expansion
VDSVariable Depth Sonar
VIC/ inverted compound
VLFVery Low Frequency
VQL/ quadruple expansion
VSTOLVertical/short take off/landing
VTE/ triple expansion
VTOLVertical take off/landing
VSE/ Simple Expansion
WTWireless Telegraphy
xnumber of
BuShipsBureau of Ships
DBMGerman Navy League
GBGreat Britain
DNCDirectorate of Naval Construction
EEZExclusive Economic Zone
FAAFleet Air Arm
FNFLFree French Navy
MDAPMutual Def.Assistance Prog.
MSAMaritime Safety Agency
RAFRoyal Air Force
RANRoyal Australian Navy
RCNRoyal Canadian Navy
R&DResearch & Development
RNRoyal Navy
RNZNRoyal New Zealand Navy
USSRUnion of Socialist Republics
UE/EECEuropean Union/Comunity
UNUnited Nations Org.
USNUnited States Navy
WaPacWarsaw Pact

⚑ 1870 Fleets
Spanish Navy 1870 Armada Espanola Austro-Hungarian Navy 1870 K.u.K. Kriegsmarine
Danish Navy 1870 Dansk Marine
Hellenic Navy 1870 Nautiko Hellenon
Haitian Navy 1914Haiti Koninklije Marine 1870 Koninklije Marine
Dutch Screw Frigates & corvettes
De Ruyter Bd Ironclad (1863)
Prins H. der Neth. Turret ship (1866)
Buffel class turret rams (1868)
Skorpioen class turret rams (1868)
Heiligerlee class Monitors (1868)
Bloedhond class Monitors (1869)
Adder class Monitors (1870)
A.H.Van Nassau Frigate (1861)
A.Paulowna Frigate (1867)
Djambi class corvettes (1860)
Amstel class Gunboats (1860)

Marine Française 1870 Marine Nationale
Screw 3-deckers (1850-58)
Screw 2-deckers (1852-59)
Screw Frigates (1849-59)
Screw Corvettes (1846-59)
Screw Fl. Batteries (1855)
Paddle Frigates
Paddle Corvettes
screw sloops
screw gunboats
Sailing ships of the line
Sailing frigates
Sailing corvettes
Sailing bricks

Gloire class Bd. Ironclads (1859)
Couronne Bd. Ironclad (1861)
Magenta class Bd. Ironclads (1861)
Palestro class Flt. Batteries (1862)
Arrogante class Flt. Batteries (1864)
Provence class Bd. Ironclads (1864) Embuscade class Flt. Batteries (1865)
Taureau arm. ram (1865)
Belliqueuse Bd. Ironclad (1865)
Alma Cent. Bat. Ironclads (1867)
Ocean class CT Battery ship (1868)
French converted sailing frigates (1860)
Cosmao class cruisers (1861)
Talisman cruisers (1862)
Resolue cruisers (1863)
Venus class cruisers (1864)
Decres cruiser (1866)
Desaix cruiser (1866)
Limier class cruisers (1867)
Linois cruiser (1867)
Chateaurenault cruiser (1868)
Infernet class Cruisers (1869)
Bourayne class Cruisers (1869)
Cruiser Hirondelle (1869)

Curieux class sloops (1860)
Adonis class sloops (1863)
Guichen class sloops (1865)
Sloop Renard (1866)
Bruix class sloops (1867)
Pique class gunboats (1862)
Hache class gunboats (1862)
Arbalete class gunboats (1866)
Etendard class gunboats (1868)
Revolver class gunboats (1869)

Marinha do Brasil 1870 Marinha do Brasil
Barrozo class (1864)
Brasil (1864)
Tamandare (1865)
Lima Barros (1865)
Rio de Janeiro (1865)
Silvado (1866)
Mariz E Barros class (1866)
Carbal class (1866)

Turkish Ottoman navy 1870 Osmanlı Donanması
Osmanieh class Bd.Ironclads (1864) Assari Tewfik (1868) Assari Shevket class Ct. Ironclads (1868)
Lufti Djelil class CDS (1868)
Avni Illah class cas.ironclads (1869)
Fethi Bulend class cas.ironclads (1870)
Barbette ironclad Idjalleh (1870)
Messudieh class Ct.Bat.ships (1874)
Hamidieh Ct.Bat.Ironclads (1885)
Abdul Kadir Batleships (project)

Ertrogul Frigate (1863)
Selimieh (1865)
Rehberi Tewkik (1875)
Mehmet Selim (1876)
Sloops & despatch vessels

Marina do Peru Marina Do Peru
Monitor Atahualpa (1865)
CT. Bat Independencia (1865)
Turret ship Huascar (1865)
Frigate Apurimac (1855)
Corvette America (1865)
Corvette Union (1865)

Regia Marina 1870 Regia Marina 1870 Imperial Japanese navy 1870 Nihhon Kaigun Prussian Navy 1870 Preußische Marine Russian mperial Navy 1870 Russkiy Flot Swedish Navy 1870 Svenska marinen
Norwegian Navy 1870 Søværnet
⚑ 1898 Fleets
Argentinian Navy 1898 Armada de Argentina
Parana class Gunboats (1873)
La Plata class Coast Battleships (1875)
Pilcomayo class Gunboats (1875)
Ferre class Gunboats (1880)

Austro-Hungarian Navy 1898 K.u.K. Kriegsmarine

Chinese Imperial Navy 1898 Imperial Chinese Navy
Danish Navy 1898 Dansk Marine

Hellenic Navy 1898 Nautiko Hellenon
Haitian Navy 1914Marine Haitienne
Koninklije Marine 1898 Koninklije Marine
Konigin der Netherland (1874)
Draak, monitor (1877)
Matador, monitor (1878)
R. Claeszen, monitor (1891)
Evertsen class CDS (1894)
Atjeh class cruisers (1876)
Cruiser Sumatra (1890)
Cruiser K.W. Der. Neth (1892)
Banda class Gunboats (1872)
Pontania class Gunboats (1873)
Gunboat Aruba (1873)
Hydra Gunboat class (1873)
Batavia class Gunboats (1877)
Wodan Gunboat class (1877)
Ceram class Gunboats (1887)
Combok class Gunboats (1891)
Borneo Gunboat (1892)
Nias class Gunboats (1895)
Koetei class Gunboats (1898)
Dutch sloops (1864-85)

Marine Française 1898 Marine Nationale
Friedland CT Battery ship (1873)
Richelieu CT Battery ship (1873)
Colbert class CT Battery ships (1875)
Redoutable CT Battery ship (1876)
Courbet class CT Battery ships (1879)
Amiral Duperre barbette ship (1879)
Terrible class barbette ships (1883)
Amiral Baudin class barbette ships (1883)
Barbette ship Hoche (1886)
Marceau class barbette ships (1888)
Cerbere class Arm.Ram (1870)
Tonnerre class Br.Monitors (1875)
Tempete class Br.Monitors (1876)
Tonnant ironclad (1880)
Furieux ironclad (1883)
Fusee class Arm.Gunboats (1885)
Acheron class Arm.Gunboats (1885)
Jemmapes class (1892)
Bouvines class (1892)

La Galissonière Cent. Bat. Ironclads (1872)
Bayard class barbette ships (1879)
Vauban class barbette ships (1882)
Prot. Cruiser Sfax (1884)
Prot. Cruiser Tage (1886)
Prot. Cruiser Amiral Cécille (1888)
Prot. Cruiser Davout (1889)
Forbin class Cruisers (1888)
Troude class Cruisers (1888)
Alger class Cruisers (1891)
Friant class Cruisers (1893)
Prot. Cruiser Suchet (1893)
Descartes class Cruisers (1893)
Linois class Cruisers (1896)
D'Assas class Cruisers (1896)
Catinat class Cruisers (1896)

R. de Genouilly class Cruisers (1876)
Cruiser Duquesne (1876)
Cruiser Tourville (1876)
Cruiser Duguay-Trouin (1877)
Laperouse class Cruisers (1877)
Villars class Cruisers (1879)
Cruiser Iphigenie (1881)
Cruiser Naiade (1881)
Cruiser Arethuse (1882)
Cruiser Dubourdieu (1884)
Cruiser Milan (1884)

Parseval class sloops (1876)
Bisson class sloops (1874)
Epee class gunboats (1873)
Crocodile class gunboats (1874)
Tromblon class gunboats (1875)
Condor class Torpedo Cruisers (1885)
G. Charmes class gunboats (1886)
Inconstant class sloops (1887)
Bombe class Torpedo Cruisers (1887)
Wattignies class Torpedo Cruisers (1891)
Levrier class Torpedo Cruisers (1891)

Marinha do Brasil 1898 Marinha do Brasil
Siete de Setembro class (1874)
Riachuleo class (1883)
Aquidaban class (1885)

Marina de Mexico 1898 Mexico
GB Indipendencia (1874)
GB Democrata (1875)

Turkish Ottoman navy 1898 Osmanlı Donanması
Cruiser Heibtnuma (1890)
Cruiser Lufti Humayun (1892)
Cruiser Hadevendighar (1892)
Shadieh class cruisers (1893)
Turkish TBs (1885-94)

Regia Marina 1898 Regia Marina Pr. Amadeo class (1871)
Caio Duilio class (1879)
Italia class (1885)
Ruggero di Lauria class (1884)
Carracciolo (1869)
Vettor Pisani (1869)
Cristoforo Colombo (1875)
Flavio Goia (1881)
Amerigo Vespucci (1882)
C. Colombo (ii) (1892)
Pietro Micca (1876)
Tripoli (1886)
Goito class (1887)
Folgore class (1887)
Partenope class (1889)
Giovanni Bausan (1883)
Etna class (1885)
Dogali (1885)
Piemonte (1888)
Staffeta (1876)
Rapido (1876)
Barbarigo class (1879)
Messagero (1885)
Archimede class (1887)
Guardiano class GB (1874)
Scilla class GB (1874)
Provana class GB (1884)
Curtatone class GB (1887)
Castore class GB (1888)

Imperial Japanese navy 1898 Nihhon Kaigun German Navy 1898 Kaiserliches Marine
Russian Imperial Navy 1898 Russkiy Flot
Marina do Peru Marina Do Peru

Swedish Navy 1898 Svenska Marinen Norwegian Navy 1898 Søværnet
Royal Navy 1898 Royal Navy
HMS Hotspur (1870)
HMS Glatton (1871)
Devastation classs (1871)
Cyclops class (1871)
HMS Rupert (1874)
Neptune class (1874)
HMS Dreadnought (1875)
HMS Inflexible (1876)
Agamemnon class (1879)
Conqueror class (1881)
Colossus class (1882)
Admiral class (1882)
Trafalgar class (1887)
Victoria class (1890)
Royal Sovereign class (1891)
Centurion class (1892)
HMS Renown (1895)

HMS Shannon (1875)
Nelson class (1876)
Iris class (1877)
Leander class (1882)
Imperieuse class (1883)
Mersey class (1885)
Surprise class (1885)
Scout class (1885)
Archer class (1885)
Orlando class (1886)
Medea class (1888)
Barracouta class (1889)
Barham class (1889)
Pearl class (1889)

Spanish Navy 1898 Armada 1898
Ironclad Pelayo (1887)

Infanta Maria Teresa class (1890)
Emperador Carlos V (1895)
Cristobal Colon (1897)
Princesa de Asturias (1896)
Aragon class (1879)
Velasco class (1881)
Isla de Luzon (1886)
Alfonso XII class (1887)
Reina Regentes class (1887)

Destructor class (1886)
Temerario class (1891)
TGunboat Filipinas (1892)
De Molina class (1896)
Furor class (1896)
Audaz class (1897)
Spanish TBs (1878-87)
Fernando class gunboats (1875)
Concha class gunboats (1883)

US Navy 1898 1898 US Navy
USS Maine (1889)
USS Texas (1892)
Indiana class (1893)
USS Iowa (1896)

Amphitrite class (1876)
USS Puritan (1882)
USS Monterey (1891)

Atlanta class (1884)
USS Chicago (1885)
USS Charleston (1888)
USS Baltimore (1888)
USS Philadelphia (1889)
USS San Francisco (1889)
USS Newark (1890)
USS New York (1891)
USS Olympia (1892)
Cincinatti class (1892)
Montgomery class (1893)
Columbia class (1893)
USS Brooklyn (1895)

USS Vesuvius (1888)
USS Katahdin (1893)
USN Torpedo Boats (1886-1901)
GB USS Dolphin (1884)
Yorktown class GB (1888)
GB USS Petrel (1888)
GB USS Bancroft (1892)
Machias class GB (1891)
GB USS Nashville (1895)
Wilmington class GB (1895)
Annapolis class GB (1896)
Wheeling class GB (1897)
Small gunboats (1886-95)
St Louis class AMC (1894)
Harvard class AMC (1888)
USN Armoured Merchant Cruisers
USN Armed Yachts


☉ Entente Fleets

British ww1 Royal Navy
WW1 British Battleships
Majestic class (1894)
Canopus class (1897)
Formidable class (1898)
London class (1899)
Duncan class (1901)
King Edward VII class (1903)
Swiftsure class (1903)
Lord Nelson class (1906)
HMS Dreadnought (1906)
Bellorophon class (1907)
St Vincent class (1908)
HMS Neptune (1909)
Colossus class (1910)
Orion class (1911)
King George V class (1911)
Iron Duke class (1912)
Queen Elizabeth class (1913)
HMS Canada (1913)
HMS Agincourt (1913)
HMS Erin (1915)
Revenge class (1915)
B3 class (1918)

WW1 British Battlecruisers
Invincible class (1907)
Indefatigable class (1909)
Lion class (1910)
HMS Tiger (1913)
Renown class (1916)
Courageous class (1916)
G3 class (1918)

ww1 British cruisers
Blake class (1889)
Edgar class (1890)
Powerful class (1895)
Diadem class (1896)
Cressy class (1900)
Drake class (1901)
Monmouth class (1901)
Devonshire class (1903)
Duke of Edinburgh class (1904)
Warrior class (1905)
Minotaur class (1906)
Hawkins class (1917)

Apollo class (1890)
Astraea class (1893)
Eclipse class (1894)
Arrogant class (1896)
Pelorus class (1896)
Highflyer class (1898)
Gem class (1903)
Adventure class (1904)
Forward class (1904)
Pathfinder class (1904)
Sentinel class (1904)
Boadicea class (1908)
Blonde class (1910)
Active class (1911)
'Town' class (1909-1913)
Arethusa class (1913)
'C' class series (1914-1922)
'D' class (1918)
'E' class (1918)

WW1 British Seaplane Carriers
HMS Ark Royal (1914)
HMS Campania (1893)
HMS Argus (1917)
HMS Furious (1917)
HMS Vindictive (1918)
HMS Hermes (1919)

WW1 British Destroyers
River class (1903)
Cricket class (1906)
Tribal class (1907)
HMS Swift (1907)
Beagle class (1909)
Acorn class (1910)
Acheron class (1911)
Acasta class (1912)
Laforey class (1913)
M/repeat M class (1914)
Faulknor class FL (1914)
T class (1915)
Parker class FL (1916)
R/mod R class (1916)
V class (1917)
V class FL (1917)
Shakespeare class FL (1917)
Scott class FL (1917)
W/mod W class (1917)
S class (1918)

WW1 British Torpedo Boats
125ft series (1885)
140ft series (1892)
160ft series (1901)
27-knotters (1894)
30-knotters (1896)
33-knotters (1896)

WW1 British Submarines
Nordenfelt Submarines (1885)
Flower class sloops
British Gunboats of WWI
British P-Boats (1915)
Kil class (1917)
British ww1 Minesweepers
Z-Whaler class patrol crafts
British ww1 CMB
British ww1 Auxiliaries

✠ Central Empires

⚑ Neutral Countries

Bulgarian Navy Bulgaria
Danish Navy 1914 Denmark
Greek Royal Navy Greece

Dutch Empire Navy 1914 Netherlands
Norwegian Navy 1914 Norway

Portuguese navy 1914 Portugal

Romanian Navy 1914 Romania
Spanish Armada Spain Swedish Navy 1914 Sweden


✪ Allied ww2 Fleets

US ww2 US Navy
WW2 American Battleships
Wyoming class (1911)
New York class (1912)
Nevada class (1914)
Pennsylvania class (1915)
New Mexico class (1917)
Tennessee Class (1919)
Colorado class (1921)
North Carolina class (1940)
South Dakota class (1941)
Iowa class (1942)
Montana class (cancelled)

WW2 American Cruisers
Omaha class cruisers (1920)
Pensacola class heavy Cruisers (1928)
Northampton class heavy cruisers (1929)
Portland class heavy cruisers (1931)
New Orleans class cruisers (1933)
Brooklyn class cruisers (1936)
USS Wichita (1937)
Atlanta class light cruisers (1941)
Cleveland class light Cruisers (1942)
Baltimore class heavy cruisers (1942)
Alaska class heavy cruisers (1944)

WW2 USN Aircraft Carriers
USS Langley (1920)
Lexington class CVs (1927)
USS Ranger (CV-4)
USS Wasp (CV-7)
Yorktown class aircraft carriers (1936)
Long Island class (1940)
Independence class CVs (1942)
Essex class CVs (1942)
Bogue class CVEs (1942)
Sangamon class CVEs (1942)
Casablanca class CVEs (1942)
Commencement Bay class CVEs (1944)
Midway class CVs (1945)
Saipan class CVs (1945)

WW2 American destroyers
Wickes class (1918)
Clemson class (1920)
Farragut class (1934)
Porter class (1935)
Mahan class (1935)
Gridley class (1936)
Bagley class (1936)
Somers class (1937)
Benham class (1938)
Sims class (1938)
Benson class (1939)
Fletcher class (1942)
Sumner class (1943)
Gearing class (1945)

GMT Evarts class (1942)
TE Buckley class (1943)
TEV/WGT Rudderow classs (1943)
DET/FMR Cannon class
Asheville/Tacoma class

WW2 American Submarines
Barracuda class
USS Argonaut
Narwhal class
USS Dolphin
Cachalot class
Porpoise class
Shark class
Perch class
Salmon class
Sargo class
Tambor class
Mackerel class
Gato Class

USS Terror (1941)
Raven class Mnsp (1940)
Admirable class Mnsp (1942)
Eagle class sub chasers (1918)
PC class sub chasers
SC class sub chasers
PCS class sub chasers
YMS class Mot. Mnsp
ww2 US gunboats
ww2 US seaplane tenders
USS Curtiss ST (1940)
Currituck class ST
Tangier class ST
Barnegat class ST

US Coat Guardships
Lake class
Northland class
Treasury class
Owasco class
Wind class
Algonquin class
Thetis class
Active class

US Amphibious ships & crafts
US Amphibious Operations
Doyen class AT
Harris class AT
Dickman class AT
Bayfield class AT
Windsor class AT
Ormsby class AT
Funston class AT
Sumter class AT
Haskell class AT
Andromeda class AT
Gilliam class AT
APD-1 class LT
APD-37 class LT
LSV class LS
LSD class LS
Landing Ship Tank
LSM class LS
LSM(R) class SS
LCV class LC
LCVP class LC
LCM(3) class LC
LCP(L) class LC
LCP(R) class SC
LCL(L)(3) class FSC
LCS(S) class FSC
British ww2 Royal Navy

WW2 British Battleships
Queen Elisabeth class (1913)
Revenge class (1915)
Nelson class (1925)
King Georges V class (1939)
Lion class (Started)
HMS Vanguard (1944)
Renown class (1916)
HMS Hood (1920)

WW2 British Cruisers
British C class cruisers (1914-1922)
Hawkins class cruisers (1917)
British D class cruisers (1918)
Enterprise class cruisers (1919)
HMS Adventure (1924)
County class cruisers (1926)
York class cruisers (1929)
Surrey class cruisers (project)
Leander class cruisers (1931)
Arethusa class cruisers (1934)
Perth class cruisers (1934)
Town class cruisers (1936)
Dido class cruisers (1939)
Abdiel class cruisers (1939)
Fiji class cruisers (1941)
Bellona class cruisers (1942)
Swiftsure class cruisers (1943)
Tiger class cruisers (1944)

WW2 British Aircraft Carriers
Courageous class aircraft carriers (1928)
HMS Ark Royal (1937)
HMS Eagle (1918)
HMS Furious (1917)
HMS Hermes (1919)
Illustrious class (1939)
HMS Indomitable (1940)
Implacable class (1942)
Malta class (project)
HMS Unicorn (1941)
Colossus class (1943)
Majestic class (1944)
Centaur class (started 1944)

HMS Archer (1939)
HMS Argus (1917)
Avenger class (1940)
Attacker class (1941)
HMS Audacity (1941)
HMS Activity (1941)
HMS Pretoria Castle (1941)
Ameer class (1942)
Merchant Aircraft Carriers (1942)
Vindex class (1943)

WW2 British Destroyers
Shakespeare class (1917)
Scott class (1818)
V class (1917)
S class (1918)
W class (1918)
A/B class (1926)
C/D class (1931)
G/H/I class (1935)
Tribal class (1937)
J/K/N class (1938)
Hunt class DE (1939)
L/M class (1940)
O/P class (1942)
Q/R class (1942)
S/T/U//V/W class (1942)
Z/ca class (1943)
Ch/Co/Cr class (1944)
Battle class (1945)
Weapon class (1945)

WW2 British submarines
L9 class (1918)
HMS X1 (1923)
Oberon class (1926)
Parthian class (1929)
Rainbow class (1930)
Thames class (1932)
Swordfish class (1932)
HMS Porpoise (1932)
Grampus class (1935)
Shark class (1934)
Triton class (1937)
Undine class (1937)
U class (1940)
S class (1941)
T class (1941)
X-Craft midget (1942)
A class (1944)

WW2 British Amphibious Ships and Landing Crafts
LSI(L) class
LSI(M/S) class
LSI(H) class
LSS class
LSG class
LSC class
Boxer class LST

LST(2) class
LST(3) class
LSH(L) class
LSF classes (all)
LCI(S) class
LCS(L2) class
LCT(I) class
LCT(2) class
LCT(R) class
LCT(3) class
LCT(4) class
LCT(8) class
LCT(4) class
LCG(L)(4) class
LCG(M)(1) class

British ww2 Landing Crafts

WW2 British MTB/gunboats.
WW2 British MTBs
MTB-1 class (1936)
MTB-24 class (1939)
MTB-41 class (1940)
MTB-424 class (1944)
MTB-601 class (1942)
MA/SB class (1938)
MTB-412 class (1942)
MGB 6 class (1939)
MGB-47 class (1940)
MGB 321 (1941)
MGB 501 class (1942)
MGB 511 class (1944)
MGB 601 class (1942)
MGB 2001 class (1943)

WW2 British Gunboats

Denny class (1941)
Fairmile A (1940)
Fairmile B (1940)
HDML class (1940)

WW2 British Sloops
Bridgewater class (2090)
Hastings class (1930)
Shoreham class (1930)
Grimsby class (1934)
Bittern class (1937)
Egret class (1938)
Black Swan class (1939)

WW2 British Frigates
River class (1943)
Loch class (1944)
Bay class (1944)

WW2 British Corvettes
Kingfisher class (1935)
Shearwater class (1939)
Flower class (1940)
Mod. Flower class (1942)
Castle class (1943)

WW2 British Misc.
WW2 British Monitors
Roberts class monitors (1941)
Halcyon class minesweepers (1933)
Bangor class minesweepers (1940)
Bathurst class minesweepers (1940)
Algerine class minesweepers (1941)
Motor Minesweepers (1937)
ww2 British ASW trawlers
Basset class trawlers (1935)
Tree class trawlers (1939)
HMS Albatross seaplane carrier
WW2 British river gunboats

HMS Guardian netlayer
HMS Protector netlayer
HMS Plover coastal mines.
Medway class sub depot ships
HMS Resource fleet repair
HMS Woolwhich DD depot ship
HMS Tyne DD depot ship
Maidstone class sub depot ships
HmS Adamant sub depot ship

Athene class aircraft transport
British ww2 AMCs
British ww2 OBVs
British ww2 ABVs
British ww2 Convoy Escorts
British ww2 APVs
British ww2 SSVs
British ww2 SGAVs
British ww2 Auxiliary Mines.
British ww2 CAAAVs
British ww2 Paddle Mines.
British ww2 MDVs
British ww2 Auxiliary Minelayers
British ww2 armed yachts

✙ Axis ww2 Fleets

Japan ww2 Imperial Japanese Navy
WW2 Japanese Battleships
Kongō class Fast Battleships (1912)
Fuso class battleships (1915)
Ise class battleships (1917)
Nagato class Battleships (1919)
Yamato class Battleships (1941)
B41 class Battleships (project)

WW2 Japanese cruisers
Tenryū class cruisers (1918)
Kuma class cruisers (1919)
Nagara class (1921)
Sendai class Cruisers (1923)
IJN Yūbari (1923)
Furutaka class Cruisers (1925)
Aoba class heavy cruisers (1926)
Nachi class Cruisers (1927)
Takao class cruisers (1930)
Mogami class cruisers (1932)
Tone class cruisers (1937)
Katori class cruisers (1939)
Agano class cruisers (1941)
Oyodo (1943)

Seaplane & Aircraft Carriers
IJN Hōshō (1921)
IJN Akagi (1925)
IJN Kaga (1927)
IJN Ryujo (1931)
IJN Soryu (1935)
IJN Hiryu (1937)
Shokaku class (1940)
Zuiho class (1937)
Ruyho (1933) comp.42
Junyo class (1941)
IJN Taiho (1943)
Chitose class (comp. 1943)
IJN Shinano (1944)
Unryu class (1944)
IJN Ibuki (1942)

Taiyo class (1940)
IJN Kaiyo (1938)
IJN Shinyo (1934)

Notoro (1920)
Kamoi (1922)
Chitose class (1936)
Mizuho (1938)
Nisshin (1939)

IJN Aux. Seaplane tenders
Akistushima (1941)
Shimane Maru class (1944)
Yamashiro Maru class (1944)

Imperial Japanese Navy Aviation

WW2 Japanese Destroyers
Mutsuki class (1925)
Fubuki class (1927)
Akatsuki class (1932)
Hatsuharu class (1932)
Shiratsuyu class (1935)
Asashio class (1936)
Kagero class (1938)
Yugumo class (1941)
Akitsuki class (1941)
IJN Shimakaze (1942)

WW2 Japanese Submarines
KD1 class (1921)
Koryu class
Kaiten class
Kairyu class
IJN Midget subs

WW2 Japanese Amphibious ships/Crafts
Shinshu Maru class (1935)
Akistu Maru class (1941)
Kumano Maru class (1944)
SS class LS (1942)
T1 class LS (1944)
T101 class LS (1944)
T103 class LS (1944)
Shohatsu class LC (1941)
Chuhatsu class LC (1942)
Moku Daihatsu class (1942)
Toku Daihatsu class (1944)

WW2 Japanese minelayers
IJN Armed Merchant Cruisers
WW2 Japanese Escorts
Tomozuru class (1933)
Otori class (1935)
Matsu class (1944)
Tachibana class (1944)
Ioshima class (1944)
WW2 Japanese Sub-chasers
WW2 Japanese MLs
Shinyo class SB

⚑ Neutral

Armada de Argentina Argentinian Navy

Rivadavia class Battleships
Cruiser La Argentina
Veinticinco de Mayo class cruisers
Argentinian Destroyers
Santa Fe class sub. Bouchard class minesweepers King class patrol vessels

Marinha do Brasil Brazilian Navy

Minas Gerais class Battleships (1912)
Cruiser Bahia
Brazilian Destroyers
Humaita class sub.
Tupi class sub.

Armada de Chile Armada de Chile

Almirante Latorre class battleships
Cruiser Esmeralda (1896)
Cruiser Chacabuco (1911)
Chilean DDs
Fresia class subs
Capitan O’Brien class subs

Søværnet Danish Navy

Niels Juel
Danish ww2 Torpedo-Boats Danish ww2 submarines Danish ww2 minelayer/sweepers

Merivoimat Finnish Navy

Coastal BB Ilmarinen
Finnish ww2 submarines
Finnish ww2 minelayers

Nautiko Hellenon Hellenic Navy

Greek ww2 Destroyers
Greek ww2 submarines
Greek ww2 minelayers

Marynarka Vojenna Polish Navy

Polish ww2 Destroyers
Polish ww2 cruisers
Polish ww2 minelayer/sweepers

Portuguese navy ww2 Portuguese Navy

Douro class DDs
Delfim class sub
Velho class gb
Albuquerque class gb
Nunes class sloops

Romanian Navy Romanian Navy

Romanian ww2 Destroyers
Romanian ww2 Submarines

Royal Norwegian Navy Sjøforsvaret

Norwegian ww2 Torpedo-Boats

Spanish Armada Spanish Armada

España class Battleships
Blas de Lezo class cruisers
Canarias class cruisers
Cervera class cruisers
Cruiser Navarra
Spanish Destroyers
Spanish Submarines
Dedalo seaplane tender
Spanish Gunboats
Spanish Minelayers

Svenska Marinen Svenska Marinen

Gustav V class CBBs (1918)
Interwar Swedish CBB projects

Tre Kronor class (1943)
Gotland (1933)
Fylgia (1905)

Ehrernskjold class DDs (1926)
Psilander class DDs (1926)
Klas Horn class DDs (1931)
Romulus class DDs (1934)
Göteborg class DDs (1935)
Mode class DDs (1942)
Visby class DDs (1942)
Öland class DDs (1945)

Swedish ww2 TBs
Swedish ww2 Submarines
Swedish ww2 Minelayers
Swedish ww2 MTBs
Swedish ww2 Patrol Vessels
Swedish ww2 Minesweepers

Türk Donanmasi Turkish Navy

Turkish ww2 Destroyers
Turkish ww2 submarines

Royal Yugoslav Navy Royal Yugoslav Navy

Dubrovnik class DDs
Beograd class DDs
Hrabi class subs

Royal Thai Navy Royal Thai Navy

Taksin class
Ratanakosindra class
Sri Ayuthia class
Puket class
Tachin class
Sinsamudar class sub

minor navies Minor Navies

naval aviation Naval Aviation
Latest entries

USN aviation
Boeing model 2/3/5 (1916)
Aeromarine 39 (1917)
Curtiss VE-7 (1918)
Aeromarine 40 (1919)
Douglas DT (1921)
Naval Aircraft Factory PT (1922)
Loening OL (1923)
Huff-Daland TW-5 (1923)
Martin MO (1924)
Consolidated NY (1926)
Vought FU (1927)
Vought O2U/O3U Corsair (1928)
Berliner-Joyce OJ (1931)
Curtiss SOC seagull (1934)
Grumman FF (1931)
Grumman F2F (1933)
Grumman F3F (1935)
Northrop BT-1 (1935)
Vultee V-11 (1935)
Grumman J2F Duck (1936)
Curtiss SBC Helldiver (1936)
Vought SB2U Vindicator (1936)
Brewster F2A Buffalo (1937)
Douglas TBD Devastator (1937)
Vought Kingfisher (1938)
Curtiss SO3C Seamew (1939)
Cessna AT-17 Bobcat (1939)
Douglas SBD Dauntless (1939) Grumman F4F Wildcat (1940)
Northrop N-3PB Nomad (1941)
Brewster SB2A Buccaneer (1941)
Grumman TBF/TBM Avenger (1941)
Consolidated TBY Sea Wolf (1941)
Grumman F6F Hellcat (1942)
Vought F4U Corsair (1942)
Curtiss SB2C Helldiver (1942)
Curtiss SC Seahawk (1944)
Douglas BTD Destroyer (1944)
Grumman F7F Tigercat (1943)
Grumman F8F Bearcat (1944)

Curtiss H (1917)
Curtiss F5L (1918)
Curtiss NC (1919)
Curtiss NC4 (1918)
Naval Aircraft Factory PN (1925)
Douglas T2D (1927)
Consolidated P2Y (1929)
Hall PH (1929)
Douglas PD (1929)
Douglas Dolphin (1931)
General Aviation PJ (1933)
Consolidated PBY Catalina (1935)
Fleetwings Sea Bird (1936)
Sikorsky VS-44 (1937)
Grumman G-21 Goose (1937)
Consolidated PB2Y Coronado (1937)
Beechcraft M18 (1937)
Sikorsky JRS (1938)
Boeing 314 Clipper (1938)
Martin PBM Mariner (1939)
Grumman G-44 Wigeon (1940)
Martin Mars (1943)
Goodyear GA-2 Duck (1944)
Edo Ose (1946)
Hugues Hercules (1947)

Japanese WW2 naval aviation
Mitsubishi 1MF
Mitsubishi A5M
Nakajima A4N
Mitsubishi A6M "zeke"

Mitsubishi B1M
Aichi D1A "Susie" (1934)
Aichi D3A "Val" (1940)
Aichi B7A "Grace" (1942)
Mitsubishi B5M (1937)
Nakajima B5N "Kate" (1937)
Nakajima B6N "Jill" (1941)
Yokosuka B4Y "Jean" (1935)
Yokosuka D4Y "Judy" (1942)
Yokosuka MXY-7 "Baka" (1944)
Mitsubishi G3M "Nell" (1935)
Mitsubishi G4M "Betty" (1941)
Yokosuka P1Y1 "Frances" (1943)

Aichi M6A1-K Nanzan (1943)
Kyushu K10W1 "Oak" (1941)
Kyushu K11W1 Shiragiku (1942)
Kyushu Q1W1-K "Lorna" (1943)
Mitsubishi K3M "Pine" (1930)
Yokosuka K5Y1 "Willow" (1933)
Yokosuka MXY-7K-1 "Kai" (1944)
Yokosuka MXY-8 Akigusa

Nakajima E4N
Nakajima E14Y
Nakajima E8N "Dave"
Mitsubishi F1M "pete"
Kawanishi E7K
Kawanishi H6K
Kawanishi E11K
Kawanishi K6K
Kawanishi K8K
Kawanishi E15K Shiun
Kawanishi H8K "Emily"
Kawanishi N1K1 "Rex"

Italian WW2 air arm
CANT Z.501 Gabbiano
CANT Z.506 Airone
Fiat RS.14
IMAM Ro.43
IMAM Ro.44
Macchi M5

British Fleet Air Arm
Carrier planes
Fairey Flycatcher (1922)
Blackburn Backburn (1923)
Blackburn Dart (1924)
Fairey IIIF (1927)
Fairey Seal (1930)
Blackburn Shark (1931)
Blackburn Baffin (1934)
Vickers Vildebeest (1933)
Blackburn Ripon (1934)
Fairey Swordfish (1934)
Gloster Gladiator (1938)
Fairey Albacore (1940)
Fairey Fulmar (1940)
Grumman Martlet (1941)
Hawker sea Hurricane (1941)
Brewster Bermuda (1942)
Fairey Barracuda (1943)
Grumman Tarpon (1943)
Grumman Gannet (1943)
Supermarine seafire (1943)
Fairey Firefly (1943)
Blackburn Firebrand (1944)

Supermarine Southampton (1925)
Blackburn Iris (1926)
Hawker Osprey (1930)
Short Rangoon (1930)
Short Valetta (1930)
Fairey Seal (1930)
Supermarine Scapa (1935)
Supermarine Stranraer (1936)
Supermarine Walrus (1936)
Fairey Seafox (1936)
Short Sunderland (1937)
Saro Lerwick (1940)
Short Shetland (1944)

The Cold War

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US Navy USN (1990)

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