USS Jefferson County (LST-845) was an built for the United States Navy during World War II. Named after counties in 25 states, she was the only U.S. Naval vessel to bear the name. USS LST-845 was laid down by the American Bridge Company, Ambridge, Pennsylvania, on 23 October 1944; launched on 7 December 1944; sponsored by Mrs. B. F. Fairless; and commissioned at New Orleans, Louisiana, on 1 January 1945. World War II After shakedown off the Florida coast, LST-845 departed New Orleans for the West Coast on 7 February. Steaming via the Panama Canal, she loaded cargo at San Diego and San Francisco, then sailed on 15 March for the Hawaiian Islands. She touched at Maui on 24 March to unload cargo; reached Pearl Harbor the 26th; and returned to Maui on 4 April for amphibious training operations. While beached on 6 April, she broached in heavy surf and sustained heavy damage to her hull. Towed out to sea on 9 April, she underwent repairs at Pearl Harbor from 10 April to 27 July before resuming amphibious training. Carrying troops and cargo, LST-845 departed Pearl Harbor in convoy for Japan on 29 August. She arrived Sasebo on 22 September and supported occupation landings before sailing for the Philippines three days later. Steaming via Subic Bay, she reached Lingayen Gulf on 7 October to embark more occupation troops for transportation to Japan. Between 12 and 19 October she sailed to Sasebo; and, during the next month, she supported occupation operations along the western coast of Kyushu Island. Departing Sasebo late in November, she steamed via the Marianas to Pearl Harbor where she arrived 20 January 1946. Inter-war years LST-845 operated out of Pearl Harbor until 29 April when she sailed for the Far East. Sailing via Okinawa, she arrived off Shanghai, China, on 30 May. During the next two months, she operated from Nanking to Hankow in the Yangtze River, carrying men and military cargo and supporting Chiang Kai-shek's Chinese Nationalist troops during their struggle with the Chinese Communist forces for control of the Chinese mainland. She departed Shanghai on 24 July; and, after steaming on cargo runs to the Philippines and Okinawa, she returned to Tsingtao, China, on 3 September, loaded with military cargo. Then, from 9 to 28 September, she sailed to Pearl Harbor. Departing 4 December for the West Coast, she touched at San Francisco the 15th