 SS "Dalton Victory" made trips between the US and Korea helping American forces engaged against Communist aggression in South Korea.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.