October 1951, with , she towed the British Royal Navy hospital ship which had lost a propeller, on a westward passage through the crowded and narrow Shimonoseki Straits. This was the only hospital ship supporting UN Forces at that time. She concluded her brief interlude with the Korean War on 22 April 1952 when she departed Sasebo, bound for Pearl Harbor. She arrived in Oahu on 5 May 1952 and, for most of the year, made voyages from Pearl Harbor to Eniwetok and Kwajalein in the Marshall Islands in support of Operation Ivy in progress there. She completed that service in November 1952, returning to Pearl Harbor on 21 November 1952. In January and February 1954, she operated at Midway Island with during the salvage of a grounded civilian ship, SS Quartette. Following overhaul at Pearl Harbor during early to mid-1954, she returned to the Aleutians once more for duty and, for the next 18 months, alternated between Alaskan and Hawaiian waters. Later career In February 1955, the tugboat returned to the west coast where she operated until decommissioned on 11 November 1955. Yuma was berthed at Astoria, Oregon, until 17 January 1958 at which time she was placed in service as USNS Yuma (T-ATF-94) and assigned to the Military Sea Transportation Service (MSTS). She cruised the coasts of Washington, Oregon, and California for most of the year. In early June 1958 the escort carrier was taken in tow at Tacoma, Washington, by Yuma; destined for San Diego, California. While very near the Swiftsure Bank lightship, Neah Bay, Washington; at the entrance of the Strait of Juan de Fuca, Yuma developed engine troubles. Yumas distress call brought to her rescue. The crew of the Swiftsure lightship went to general quarters, ready to assist. USCGC Fir then escorted Yuma and Tinian to safety. On 9 June 1958 Yuma arrived in San Diego, California with Tinian. On 3 December 1959, she departed Astoria, Oregon and headed—via Pearl Harbor and Midway Island for the Far East. She arrived at Yokosuka Japan, on 16 January 1959, at Hong Kong on 3 February 1959, Singapore on 20 February 1959, Ceylon on 27 February 1959, Bombay on 7 March 1959, and finally at Karachi, Pakistan, on 11 March 1959. There, she was placed out of service and turned over to Pakistan on loan. She was struck from the Naval Vessel Register, 25 March 1959. On that