Operated by the Shepard Steamship Co., from 1945 to 1957,
Warren P. Marks was converted
Charleston Navy Yard,
Charleston, South Carolina, and commissioned
Protector (YAGR–11), 20 February 1957. After
shakedown off
Guantanamo Bay,
Cuba,
Protector, homeported at
Davisville, Rhode Island, reported to Commandant,
1st Naval District for administrative control and to Commander
YAGR Division 21 for duty and was assigned as an
Ocean Station Radar Picket Ship in the seaward extension of the Eastern
Continental Air Defense Command (CONAD)'s
Contiguous Radar Coverage System. Continuing her duties off the
US East Coast,
Protector was redesignated
AGR-11 on 28 October 1958. She continued her radar picket duty until 1965. During the
Cuban invasion in the spring of 1962, and the
Cuban Missile Crisis in the fall,
Protector operated in the
Florida Straits and established a new radar picket station. On 10 February 1965,
Protector terminated picket duty as the last picket ship to man Radar Picket Station No. 15 of
NORAD Contiguous Radar Coverage System. == Decommissioning==