USS Conserver (ARS-39) was a Bolster-class rescue and salvage ship acquired by the U.S. Navy during World War II. Her task was to come to the aid of stricken vessels. Conserver was launched 27 January 1945 by Basalt Rock Company in Napa, California; sponsored by Mrs. H. Price; and commissioned 9 June 1945 at South Vallejo, California, Lieutenant Commander C. H. Rooklidge, USNR, in command.