USS Deperm (ADG-10)

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Career
Name: USS Deperm
Builder: Albina Engine and Machine Works, Portland
Laid down: 1943
Launched: 1944
Commissioned: 1945
Reclassified: YDG-10
Struck: 21 February 1975
Fate: Sunk as a target, 22 September 1982
General characteristics
Type: Patrol Craft, Escort
Displacement: 850 long tons (864 t)
Length: 184 ft 6 in (56.24 m)
Beam: 33 ft 1 in (10.08 m)
Draft: 9 ft 5 in (2.87 m)
Propulsion: 2 × General Motors 12-567A diesel engines, 2,900 hp (2,163 kW) each
2 shafts
Speed: 15.7 knots (29.1 km/h; 18.1 mph)
Complement: 99
Armament: • 1 × 3"/50 caliber gun
• 3 × twin 40 mm guns

USS Deperm (ADG-10) was a degaussing vessel of the United States Navy, named after the term deperm, a procedure for erasing the permanent magnetism from ships and submarines to camouflage them against magnetic detection vessels and enemy marine mines. Originally planned as a patrol craft escort (PCE-883), she was laid down in 1943, launched in 1944, and commissioned in 1945. She was subsequently redesignated a degaussing vessel, YDG-10, and named Deperm.

Struck from the Naval Register 21 February 1975, Deperm was sunk as a target 22 September 1982 at 32°58′0″N 119°41′0″W / 32.96667°N 119.68333°W / 32.96667; -119.68333.

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