History
United Kingdom
Name	HMS Tourmaline (J339)
Builder	Gulf Shipbuilding Corporation, Chickasaw, Alabama
Laid down	1 January 1942, as Usage (AM-130)
Launched	4 October 1942
Completed	7 June 1943, and transferred to the UK under Lend-Lease
Fate	Returned to the US, January 1947 Transferred to the Foreign Liquidation Commission and sold to Turkey
History
Turkey
Name	TCG Çardak (M507)
Decommissioned	1974
Fate	Unknown
General characteristics
Class and type	Catherine-class minesweeper
Displacement	890 long tons (904 t)
Length	221 ft 3 in (67.44 m)
Beam	32 ft (9.8 m)
Draught	10 ft 9 in (3.28 m)
Speed	18 knots (33 km/h; 21 mph)
Complement	100
Armament	1 × 3"/50 caliber gun 2 × 40 mm guns 2 × 20 mm guns 2 × Depth charge tracks

HMS Tourmaline (J339) was a Catherine-class minesweeper of the Royal Navy during the Second World War. Originally planned as USS Usage (AM-130), of the United States Navy's Auk class, she was transferred to the United Kingdom under Lend-Lease.

Career

Usage was laid down on 1 January 1942 at Chickasaw, Alabama, by the Gulf Shipbuilding Corp.; launched on 4 October 1942; and transferred to the United Kingdom under lend-lease on 7 June 1943.

Usage served with the Royal Navy as HMS Tourmaline (J339) in the Atlantic Ocean in World War II. She was returned to United States custody in January 1947, struck from the Navy list, and transferred to the Foreign Liquidation Commission for disposition. Sold to Turkey, she served with the Turkish Navy under the name Çardak until 1974.