 Reaching San Pedro, California, on 23 April, the minesweeper was decommissioned at San Diego, California, on 15 January 1947 and berthed with the Pacific Reserve Fleet.Recommissioned on 12 March 1952,"Ruddy" joined Mine Division 72 and, after 11 months of mine warfare exercises and fleet amphibious operations, sailed from Long Beach, California, in February 1953 for the Korean combat zone.She arrived off Wonsan, North Korea, on 15 March and began operations as a unit of the U.N. Blockade and Escort Force.