High Quality Content by WIKIPEDIA articles! USNS Dalton Victory (T-AK-256) was a Greenville Victory-class cargo ship acquired by the U.S. Navy in 1950. In 1960 she was renamed USNS Sunnyvale (T-AGM-5) and placed in service as a missile range instrumentation ship, and assigned to the Pacific Missile Range, where she performed missile tracking duties. 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.