Japanese submarine I-4

History
Imperial Japanese Navy
Name	I-4
Builder	Kawasaki Shipbuilding Corporation, Kobe, Japan
Laid down	17 April 1926
Launched	22 May 1928
Completed	24 December 1929
Commissioned	24 December 1929
Decommissioned	15 November 1935
Recommissioned	by 27 March 1937
Decommissioned	15 November 1939
Recommissioned	by 15 November 1940
Decommissioned	19 October 1941
Recommissioned	31 October 1941
Fate	Sunk 21 December 1942
Stricken	1 March 1943
General characteristics
Class and type	J1 type submarine
Displacement	2,135 tons (surfaced) 2,791 tons (submerged)
Length	320 ft (98 m)
Beam	30 ft (9.1 m)
Draught	16.5 ft (5 m)
Propulsion	Twin-shaft MAN 10-cylinder 4-stroke diesel engines; 6,000 bhp (4,474 kW) Two electric motors; 2,600 hp (1,939 kW)
Speed	18 kn (33 km/h; 21 mph) (surfaced) 8 kn (15 km/h; 9.2 mph) (submerged)
Range	24,400 nmi (45,200 km; 28,100 mi) at 10 kn (19 km/h; 12 mph)
Test depth	80 m (262 ft)
Boats & landing craft carried	1 x 46 ft (14 m) Daihatsu (added November 1942)
Complement	68 officers and men
Armament	two 140mm/40 caliber (5.5-in) deck guns (one each fore and aft);[1] after gun removed November 1942 6 × 533 mm (21 in) torpedo tubes 20 × Type 95 oxygen-driven torpedoes

I-4 was an Imperial Japanese Navy J1 type submarine commissioned in 1929. She was a large cruiser submarine that served in the Second Sino-Japanese War and World War II. During the latter conflict she operated in support of the attack on Pearl Harbor, conducted anti-shipping patrols in the Indian Ocean, supported the Indian Ocean raid, and took part in the Aleutian Islands campaign, Guadalcanal campaign, and New Guinea campaign before she was sunk in December 1942.