Ro-103 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in October 1942, she served in World War II, operating in the...

most varied and powerful submarine fleets. The Imperial Japanese Navy (IJN) acquired its first submarines during the Russo-Japanese War on 12 December 1904...

Ro-101 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in October 1942, she served in World War II and operated in the...

units, Ro-35, Ro-36, Ro-37, Ro-38, Ro-39, Ro-40, Ro-41, Ro-42, Ro-43, Ro-44, Ro-45, Ro-46, Ro-47, Ro-48, Ro-49, Ro-50, Ro-55, Ro-56. Type L Type L1, Ro go...

Ro-33 was an Imperial Japanese Navy Ro-33-class submarine. Completed and commissioned in November 1935, she served during World War II in the South China...

Ro-63, originally named Submarine No. 84, was an Imperial Japanese Navy Type L submarine of the L4 subclass. First commissioned in 1924, she served in...

Ro-106 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in December 1942, she served in World War II, operating in the...

Ro-102 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in November 1942, she served in World War II, operating in the...

includes submarines, battleships, oilers, minelayers and other types of Japanese sea vessels of war and naval ships used during wartime. Imperial Japanese Navy...

Ro-68 was an Imperial Japanese Navy Type L submarine of the L4 subclass. First commissioned in 1925, she served in the waters of Japan prior to World War...

Ro-62, originally named Submarine No. 73, was an Imperial Japanese Navy Type L submarine of the L4 subclass. She was in commission at various times from...

Ro-64, originally named Submarine No. 79, was an Imperial Japanese Navy Type L submarine of the L4 subclass. First commissioned in 1925, she served in...

to Japan on 16 September 1943 and served in the Imperial Japanese Navy as submarine Ro-500 (呂500), spending its career as a training ship in Japanese home...

with German submarine U-123 in the North Atlantic, 26 March 1942. USS Deimos (AK-78) sunk after being torpedoed by Japanese submarine RO-103 off San Cristobal...

Ro-46 was an Imperial Japanese Navy Kaichū type submarine of the K6 sub-class. Completed and commissioned in February 1944, she served in World War II...

Ro-50 was an Imperial Japanese Navy Kaichū type submarine of the K6 sub-class. Completed and commissioned in July 1944, she served in World War II, conducting...

The Ro-100-class submarine (呂百型潜水艦, Ro-hyaku-gata Sensuikan) was a group of medium-sized coastal submarines built for the Imperial Japanese Navy (IJN)...

an Imperial Japanese Navy Junsen III (or J3)-type submarine commissioned in 1938 that served during World War II. Designed as submarine aircraft carriers...

Ro-31, originally named Submarine No. 70, was an Imperial Japanese Navy Kaichu-Type submarine of the Kaichu V (Toku Chu) subclass. After a diving accident...

Ro-109 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in April 1943, she served in World War II, operating off the Solomon...

Ha-103 was an Imperial Japanese Navy Ha-101-class submarine. Completed and commissioned in February 1945, she served during the final months of World War...

Ro-49 was an Imperial Japanese Navy Kaichū type submarine of the K6 sub-class. Completed and commissioned in May 1944, she served in World War II and...

equipment. The Japanese Navy received examples of the German Type IXD2 submarine Ausf "Monsun" and other submarines, including the Type IXC's U-511 (RO-500) and...

Singapore and was taken over by the Imperial Japanese Navy.: 235  On 15 July 1945 she became the IJN submarine I-502. The I-502 surrendered at Singapore...

The I-400-class submarine (伊四百型潜水艦, I-yon-hyaku-gata sensuikan) Imperial Japanese Navy (IJN) submarines were the largest submarines of World War II, with...

all three ships were refloated, rebuilt and returned to service. Eight submarine chasers were lost due to enemy action. All others were lost in accidents...

Ro-107 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in December 1942, she served in World War II, operating in the...

Japanese Navy (IJN) from operations conducted from start of Second Sino-Japanese War in 1937 to the end of World War II in 1945. The Empire of Japan forces...

Ro-100 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in September 1942, she served in World War II, operating in the...

I-gō-dai yon-hyaku-ichi-sensuikan) was an Imperial Japanese Navy Sentoku-type (or I-400-class) submarine commissioned in 1945 for service in World War II...