The ship entered the Boston Naval Shipyard for a regular overhaul on 26 Dec 1967 where the DASH capability was removed. Upon completion of overhaul in Jan 1968, the ship proceeded to Guantanamo Bay, Cuba for refresher training. Upon completion she deployed to the Mediterranean and returned to the US in Oct 1968. In Jan 1969 the ship participated in the Apollo 11 program by taking the astronaut quarantine trailer on sea trials from Norfolk, Virginia. The trailer was used by the astronauts in July 1969 when they returned from the moon. In March she deployed to the Indian Ocean visiting ports in Africa, Madagascar, India, Pakistan, Iran, etc., returning in Sept 1969.