Cliffrose sailed from
San Pedro, California, 21 June 1944 for
Pearl Harbor, arriving 4 July for local duty. She departed 8 August for the
Florida Islands and the invasion of
Peleliu on 15 September. She carried out surveys for the installation of moorings, and then laid an anti-
torpedo net across the western entrance of
Kossol Passage, remaining in the
Palau Islands until 8 December, when she sailed for
Ulithi. Arriving 10 December, she was briefly overhauled and had duty repairing nets.
Cliffrose put out from Ulithi 25 March 1945 for the
Okinawa invasion, arriving on 1 April, the day of the first landings, for duty installing and repairing nets until 5 August. After upkeep at
Saipan, she returned to
Okinawa 20 September, loaded supplies, and cleared 25 October for
Bungo Suido,
Japan, arriving 29 October. Here she laid navigational aids until the end of the year, sailing then for
Pearl Harbor and
San Pedro, California, where she arrived 1 January 1946.
Cliffrose cleared San Pedro, after local operations, 3 July 1946 for Pearl Harbor, where she operated from 16 July to 16 August;
Guam and
Subic Bay, arriving 14 September. She served in
Philippine waters until 25 December, when she cleared Subic Bay for
Shanghai, arriving 31 December. ==Post-war decommissioning==