HSwMS Sjölejonet (1936)

History
Name	Sjölejonet
Builder	Kockums MV A/B, Malmö
Launched	25 July 1936
General characteristics
Class and type	Sjölejonet-class submarine
Displacement	580 long tons (589 t) surfaced 760 long tons (772 t) submerged
Length	204 ft (62 m)
Beam	20.5 ft (6.2 m)
Draught	11 ft (3.4 m)
Propulsion	3,000 bhp (2,237 kW)
Speed	15 knots (17 mph; 28 km/h) surfaced 10 knots (12 mph; 19 km/h) submerged
Complement	32
Armament	6 × 21 in (533 mm) torpedo tubes 2 × 40 mm guns

HSwMS Sjölejonet was the lead ship of a class of nine naval submarines in the service of Sweden in the years between World War I and World War II.