Built in 1986, at Peterson Builders Incorporated Sturgeon Bay, Wisconsin (hull #ARS 52) as the ARS-52 (USS Salvor) for the United States Navy.
She was the third Safeguard class salvage ship designed and built for the United States Navy. The tug was launched on November 12th, 1983 and commissioned on June 14th, 1986. And the tug was allocated to ComNavSurfPac at the Naval Station Pearl Harbor, Hawaii.
On January 12th, 2007 the tug was decommissioned and transferred to the service of Military Sealift Command, and redesignated as the T-ARS-52 (USNS Salvor).
Powered by four, Caterpillar 399 diesel engines, turning two, shafts with two, controllable-pitch propellers. She is a twin screw tug, rated at 4,200 horsepower.
The towing equipment consists of an Almon A. Johnson Series 322, double-drum, automatic towing machine. With 3,000 (ft) of 2.25(in) towing wire. A Series 400 traction winch, outfitted with 14(in) synthetic hawser, and a set Norman pin rollers.