In 1960 she was renamed USNS Sunnyvale (T-AGM-5) and rebuilt and placed in service as a missile range instrumentation ship, and assigned to the Pacific Missile Range, where she performed missile tracking duties.
Dalton Victory (T-AK-256) was built by California Shipbuilding Corporation, Los Angeles, California, and was completed in 1944.
SS Dalton Victory served in the Pacific War in World War II. She was a United States Merchant Marine ship. She was operated by Sudden & Christenson Inc from 19 July 1944 to 27 May 1946. On 27 May 1946, her operations was transferred to the Moore McCormack Lines, Inc till 3 October 1947. As a Merchant Marine ship she had a Merchant Marine crew and a United States Navy Armed Guard to man the deck guns. Dalton Victory had enemy attacks from the air, subs and ships. She was placed in the National Defense Reserve Fleet in the James River on 3 October 1947. One 2 April 1948, she was removed from the Reserve Fleet and put under the US Army Transportation Service. During the War the SS Dalton Victory too supplies to Pacific War. She was at the Battle of Leyte, Battle of Okinawa and Battle of Iwo Jima. During and after the war she had the difficult task of returning the bodies of fallen troops back to the US.[1] [2] [3] [4] [5] [6] [7]
Dalton Victory was acquired by the Navy and assigned to the Military Sea Transportation Service (MSTS) in a noncommissioned status on 9 August 1950. SS Dalton Victory served as cargo ship supplying goods for the Korean War. SS Dalton Victory transported goods, mail, food and other supplies, making trips between the US and Korea.[8] [9]
On 27 October 1960 Dalton Victory was reconfigured as a missile range instrumentation ship and renamed USNS Sunnyvale (T-AGM-5).
USNS Sunnyvale carried out a multitude of duties in the Pacific Ocean through 1962, including operations in support of the Pacific Missile Range, Point Mugu, California.
Two other ships were reconfigured in to this new class, Longview-class missile range instrumentation ship, the USNS Private Joe E. Mann (T-AK-253) and the USNS Longview (T-AGM-3).
Sunnyvale was placed out of service at an unknown date, and was struck from the Navy List on 15 December 1974. She was disposed of by the U.S. Maritime Administration on 17 July 1975.