Seehund

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A Seehund midget submarine, on display at the Deutsches Marinemuseum, Wilhelmshaven, Lower Saxony, Germany
Class overview
Name	Seehund
Builders	Germaniawerft, Kiel
Operators	Kriegsmarine  French Navy
Built	1944–1945
In commission	1944–1953
Planned	1,000
Completed	285
Active	138
Lost	35
General characteristics
Type	Midget submarine
Displacement	17 long tons (17 t) (submerged)
Length	12 m (39 ft 4 in)
Beam	1.5 m (4 ft 11 in)
Propulsion	1 × 60 bhp (45 kW) Büssing diesel engine 25 bhp (19 kW) AEG electric motor
Speed	7 knots (13 km/h; 8.1 mph) (surfaced) 6 knots (11 km/h; 6.9 mph) (submerged)
Range	270 nmi (500 km; 310 mi) at 7 knots (13 km/h; 8.1 mph) (surfaced) 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Complement	2
Armament	2 × G7e(TIIIc) torpedoes

Seehund (German: "seal"), also known as Type XXVII, was a midget submarine built by Nazi Germany during World War II. Designed in 1944 and operated by two-man crews, it was used by the Kriegsmarine (German Navy) during the closing months of the war, sinking nine merchant vessels and damaging an additional three, while losing 35 boats, mostly attributed to bad weather. The French Navy used four captured boats after the war until 1953.