| History | |
|---|---|
| Name | USS Deperm | 
| Builder | Albina Engine and Machine Works, Portland | 
| Laid down | 1943 | 
| Launched | 1944 | 
| Commissioned | 1945 | 
| Reclassified | YDG-10 | 
| Stricken | 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 | 
  | 
| Speed | 15.7 knots (29.1 km/h; 18.1 mph) | 
| Complement | 99 | 
| Armament | 
  | 
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″N119°41′0″W / 32.96667°N 119.68333°W . According to the available depth data in 2020, at this location the bottom is between 1250m and 1500m along the edge of a basin. [1]