Japanese submarine Ha-104

Ha-104 (right) with Ha-101 (left) and Ha-102 (center) at Yokosuka, Japan, in 1945. Three midget submarines are in the foreground.
History
Japan
Name	Small Supply Submarine No. 4604
Builder	Kawasaki, Senshu and Kobe, Japan
Laid down	1 July 1944
Launched	30 September 1944
Renamed	Ha-104 on 30 September 1944
Completed	1 December 1944
Commissioned	1 December 1944
Fate	Surrendered 2 September 1945 Stricken 15 September 1945 Scuttled October 1945
General characteristics
Type	Transport submarine
Displacement	436 t (429 long tons) surfaced 501 t (493 long tons) submerged
Length	44.5 m (146 ft 0 in)
Beam	6.1 m (20 ft 0 in)
Draft	4.04 m (13 ft 3 in)
Installed power	400 bhp (300 kW) (diesels) 150 hp (110 kW) (electric motor)
Propulsion	Diesel-electric 1 × diesel engines 1 × electric motor
Speed	10 knots (19 km/h; 12 mph) surfaced 5 knots (9.3 km/h; 5.8 mph) submerged
Range	3,000 nmi (5,600 km; 3,500 mi) at 10 knots (19 km/h; 12 mph) surfaced 46 nmi (85 km; 53 mi) at 2.3 knots (4.3 km/h; 2.6 mph) submerged
Test depth	100 meters (328 ft)
Capacity	60 metric tons (59 long tons)
Complement	22
Armament	1 × single 25 mm (1 in) Type 96 anti-aircraft gun

Ha-104 was an Imperial Japanese Navy Ha-101-class submarine. Completed and commissioned in December 1944, she served during the final months of World War II, making two supply voyages. She surrendered at the end of the war in September 1945 and was scuttled in October 1945.