One who discovers a position.
Locator (YAGR-6) was laid down as SS Frank O. Peterson by J. A. Jones Construction Co., Panama City, Fla., 9 February 1945; launched 23 March 1945; sponsored by Mrs. Evelyn Flynn; acquired by the Navy 10 June 1955; renamed Locator 12 September 1955; converted to naval use; and commissioned at Charleston, S.C., 21 January 1956, Lt. Comdr. Frank A. Wigner in command.
Departing Charleston 21 February, Locator steamed through the Panama Canal and arrived San Francisco 17 March. After a period of repair and training she was assigned to a radar picket station off the west coast. Coordinating operations with the Continental and North American Air Defense Commands, she detected, tracked, and reported all air contacts that came within her radar surveillance.
Locator was reclassified AGR-6 on 28 September 1958 and for the next 7 years continued the constant vigil at sea, ever ready to sound the signal of enemy air attack. Her operations at sea were alternated by in-port replenishment periods at San Francisco. After contributing 9 years to the defense of the United States. Locator decommissioned at San Francisco 9 August 1965. Her name was struck from the Naval Register I September 1965.