USS YMS-50 was a United States Navy YMS-1-class auxiliary motor minesweeper during World War II. Laid down on 16 July 1941 at Wheeler Shipbuilding Corp., Whitestone, Long Island, New York, she was launched on 6 June 1942 and commissioned on 3 August.^[1] Assigned to the South West Pacific Area she was damaged by a dive bomber while covering the landings during the battle of Arawe, New Britain on 17 December 1943.^[2] Later while covering the landings during the battle of Balikpapan, Borneo she struck a mine on 18 June 1945 at 01°18′S 116°49′E / 1.300°S 116.817°E / -1.300; 116.817 and was scuttled by the light cruiser Denver.

A YMS-1-class minesweeper
History
United States
Name	USS YMS-50
Builder	Wheeler Shipbuilding Corp, Whitestone, Long Island, New York
Laid down	16 July 1941
Launched	6 June 1942
Completed	3 August 1942
Fate	Sunk, 18 June 1945
General characteristics
Class and type	YMS-1-class minesweeper
Displacement	320 long tons (325 t)
Length	136 ft (41 m)
Beam	24 ft 6 in (7.47 m)
Draft	6 ft 1 in (1.85 m)
Propulsion	2 × General Motors diesel engines, two shafts.
Speed	13 knots (24 km/h; 15 mph)
Complement	33
Armament	1 × 3"/50 caliber gun 2 × 20 mm guns 2 × Depth charge tracks 2 × Depth charge projectors