Japanese submarine Ro-65

History
Japan
Name	Ro-65
Builder	Mitsubishi, Kobe, Japan
Laid down	15 November 1924
Launched	25 September 1925
Completed	30 June 1926
Commissioned	30 June 1926
Decommissioned	1 April 1931
Recommissioned	1 December 1931
Decommissioned	15 November 1933
Recommissioned	1 November 1934
Decommissioned	1 December 1936
Recommissioned	20 March 1937
Decommissioned	1 December 1937
Recommissioned	1939–1940 (see text)
Fate	Sank 3 November 1942
Stricken	1 August 1943
General characteristics
Class and type	Type L4 (Ro-60-class) submarine
Displacement	988 long tons (1,004 t) (surfaced) 1,301 tons (1,322 t) (submerged)
Length	78.39 m (257 ft 2 in)
Beam	7.41 m (24 ft 4 in)
Draft	3.96 m (13 ft 0 in)
Propulsion	2 × Vickers diesels, 2 shafts 2,400 bhp (surfaced), 1,600 (submerged)
Speed	15.7 knots (29.1 km/h) (surfaced) 8.6 knots (15.9 km/h) (submerged)
Range	5,500 nautical miles (10,200 km) at 10 knots (19 km/h) (surfaced) 80 nautical miles (150 km) at 5.7 knots (10.6 km/h) (submerged)
Test depth	60 m (200 ft)
Complement	48
Armament	6 × 533 mm torpedo tubes (6 × bow) 12 × 6th Year Type torpedoes 1 × 76.2 mm (3.00 in) L/40 naval gun 1 × 6.5 mm machine gun

Ro-65 was an Imperial Japanese Navy Type L submarine of the L4 subclass. First commissioned in 1926, she served in the waters of Japan prior to World War II. During World War II, she operated in the Central Pacific, supported Japanese forces in the Battle of Wake Island and invasion of Rabaul, and took part in the Aleutian Islands campaign. She sank in a diving accident in November 1942.