Japanese submarine I-7

I-7 on her commissioning day, 31 March 1937.
History
Imperial Japanese Navy
Name	I-7
Ordered	1934
Builder	Kure Naval Arsenal, Kure, Japan
Laid down	12 September 1934
Launched	3 July 1935
Completed	31 March 1937
Commissioned	31 March 1937
Fate	Wrecked 22 June 1943
Stricken	20 August 1943
General characteristics
Class and type	J3 type submarine
Displacement	2,231 tons (surfaced) 3,583 tons(submerged)
Length	109.30 m (358 ft 7 in)
Beam	9.10 m (29 ft 10 in)
Draft	5.26 m (17 ft 3 in)
Depth	7.70 m (25 ft 3 in)
Propulsion	2 × Kampon Mk.1A Model 10 diesel engines, 11,200 bhp (9,472 kW) Two electric motors, 2,800 shp (2,368 kW) Two shafts
Speed	23 kn (43 km/h; 26 mph) (surfaced) 8 kn (15 km/h; 9.2 mph) (submerged)
Range	14,000 nmi (26,000 km; 16,000 mi) at 16 kn (30 km/h; 18 mph) (surfaced) 80 nmi (150 km; 92 mi) at 3 kn (5.6 km/h; 3.5 mph) (submerged)
Test depth	100 m (328 ft)
Complement	100 officers and men
Armament	6 × 533 mm (21 in) torpedo tubes (6 bow) 20 × Type 89 torpedoes 2 × 140 mm (5.5 in)/40 cal 11th Year-Type guns 2 × 13.2 mm (0.5 in) machine guns
Aircraft carried	1 × Watanabe E9W1
Aviation facilities	Hangar, catapult

I-7 was an Imperial Japanese Navy J3 type submarine commissioned in 1937. She was a large cruiser submarine that served in World War II. 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 Guadalcanal campaign and the Aleutian Islands campaign. She was wrecked in the Aleutian Islands after a lengthy battle with the destroyer USS Monaghan (DD-354) in June 1943.