Japanese submarine I-70

I-65, similar to I-70, in 1932.
History
Empire of Japan
Name	I-70
Builder	Sasebo Naval Arsenal, Sasebo, Japan
Laid down	25 January 1933
Launched	14 June 1934
Completed	9 November 1935
Commissioned	9 November 1935
Decommissioned	15 December 1938
Recommissioned	by early 1940
Homeport	Kure, Japan
Fate	Sunk 10 December 1941
General characteristics
Class and type	KD6 Type, Kadai type submarine
Displacement	1,400 (1,785 maximum) tons surfaced 2,440 tons submerged[1]
Length	322 ft 10 in (98.4 m)
Beam	26 ft 11 in (8.2 m)
Draught	15 ft 0 in (4.6 m)
Propulsion	Twin shaft Kampon 9,000 bhp (6,711 kW)/two stroke diesels
Speed	23 knots (43 km/h; 26 mph) diesel 8.2 knots (15.2 km/h; 9.4 mph) electric[1]
Range	14,000 nmi (26,000 km; 16,000 mi)[1]
Test depth	230 ft (70 m)
Complement	60–84 officers and enlisted
Armament	6 x torpedo tubes/14 21 in (533 mm) torpedoes 1 x 100 mm (3.9 in) AA gun 1 × 13.2 mm (0.52 in) AA gun

I-70 was an Imperial Japanese Navy Kaidai-type cruiser submarine commissioned in 1935. While supporting the Japanese attack on Pearl Harbor at the beginning of the Pacific campaign of World War II in December 1941, she was sunk on the third day of the war, the first fleet submarine lost in the Pacific during the war.