Japanese submarine I-29

I-29 entering the port of Lorient, April 16th 1944
History
Japan
Name	I-29
Builder	Yokosuka Naval Arsenal
Launched	29 September 1940
Commissioned	27 February 1942
Nickname(s)	Matsu
Fate	Sunk by USS Sawfish, 26 July 1944
General characteristics
Class and type	Type B1 submarine
Displacement	2,584 tons standard 3,654 tons submerged
Length	108.5 m (356 ft)
Beam	9.3 m (31 ft)
Draught	5.12 m (16.8 ft)
Propulsion	2-shaft diesel (12,400 hp (9,200 kW)) and electric motor (2,000 hp (1,500 kW))
Speed	23 knots (43 km/h) surface, 8 knots (15 km/h) submerged
Range	14,000 nautical miles (26,000 km) at 16 knots (30 km/h)
Test depth	100 m (330 ft)
Complement	101 officers and men
Armament	6 × 533 mm torpedo tubes forward (17 torpedoes) + 1 × 14 cm/40 11th Year Type naval gun[1]
Aircraft carried	one Yokosuka E14Y "Glen"'Type 0' reconnaissance seaplane

I-29, code-named Matsu (松, Japanese for "pine tree"), was a B1 type submarine of the Imperial Japanese Navy used during World War II on two secret missions with Germany. She was sunk while returning from the second mission.