ORP Orkan (G90)

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History
United Kingdom
Name	HMS Myrmidon
Namesake	Myrmidon
Builder	Fairfield Shipbuilding and Engineering Company, Govan, Scotland
Laid down	7 December 1939
Launched	2 March 1942
Stricken	18 November 1942
Fate	transferred to the Polish Navy
Poland
Name	ORP Orkan
Namesake	European windstorm
Acquired	18 November 1942
Commissioned	18 November 1942
Fate	Sunk by U-378, 8 October 1943
General characteristics (as built)
Class and type	M-class destroyer
Displacement	1,920 long tons (1,950 t) (standard) 2,725 long tons (2,769 t) (deep load)
Length	362 ft 3 in (110.4 m) (o/a)
Beam	37 ft (11.3 m)
Draught	14 ft (4.3 m)
Installed power	48,000 shp (36,000 kW) 2 × Admiralty 3-drum boilers
Propulsion	2 × shafts 2 × geared steam turbines
Speed	36 knots (67 km/h; 41 mph)
Range	5,500 nmi (10,200 km; 6,300 mi) at 15 knots (28 km/h; 17 mph)
Complement	190
Sensors and processing systems	ASDIC Type 285 gunnery radar Type 290 air warning radar
Armament	3 × twin 4.7 in (120 mm) Mk XI dual-purpose guns 1 × single QF 4 in (102 mm) Mk V anti-aircraft gun 1 × quadruple QF 2-pdr (40 mm) Mk VIII AA guns 2 × single Oerlikon 20 mm (0.8 in) AA guns 2 × quadruple, 2 × twin 0.5 in (12.7 mm) Vickers Mark III anti-aircraft machineguns 1 × quadruple 21 in (533 mm) torpedo tubes 42 × depth charges, 2 × racks, 2 × throwers

ORP Orkan, formerly HMS Myrmidon, was an M-class destroyer of the Polish Navy during World War II. Orkan is Polish for "hurricane".

The destroyer was sunk by the German submarine U-378 on 8 October 1943. There were 179 dead and 44 survivors. The sinking of Orkan was the biggest life loss of Polish Navy resulting from a single incident in its entire history.^[1]