Japanese submarine I-7

I-7 on her commissioning day, 31 March 1937.
History
RN EnsignImperial Japanese Navy
NameI-7
Ordered1934
BuilderKure Naval Arsenal, KureJapan
Laid down12 September 1934
Launched3 July 1935
Completed31 March 1937
Commissioned31 March 1937
FateWrecked 22 June 1943
Stricken20 August 1943
General characteristics
Class and typeJ3 type submarine
Displacement
  • 2,231 tons (surfaced)
  • 3,583 tons(submerged)
Length109.30 m (358 ft 7 in)
Beam9.10 m (29 ft 10 in)
Draft5.26 m (17 ft 3 in)
Depth7.70 m (25 ft 3 in)
Propulsion
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 depth100 m (328 ft)
Complement100 officers and men
Armament
Aircraft carried1 × Watanabe E9W1
Aviation facilitiesHangar, 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.