sentences:  In 1958 the Atlantic Ocean radar picket force relocated to Davisville, Rhode Island.Equipped with highly sensitive radar gear to enable her to detect, track, and report any aircraft penetrating the continental United States, "Guardian" was attached to the Eastern Continental Air Defense Command.She and her sister ships spent 3 or 4 weeks at a time off the US East Coast and West Coast on radar picket duty, even in the heaviest winter weather in the North Atlantic Ocean.