A county in Ohio whose principal city is Youngstown.

LST-914 was laid down by the Bethlehem Hingham Shipyard Hingham, Mass., 16 February 1944; launched 18 April 1944; and commissioned 18 May 1944, Lt. A. W. Meyer in command.

LST-914 flrst enagaged in combat duty with the invasion of southern France 16 August 1944. She carried Army troops and equipment from Naples, Italy, and unloaded them on the beach near Cape Lardier. Shortly afterward the LST Joined Training Group Command, Atlantic Fleet, and operated along the east and gulf coasts until early in 1945. On 10 February 1946, she departed Gultport, Miss., for the Canal Zone en route to duty with the Paciflc Fleet. Steaming via Pearl Harbor and Eniwetok, she arrived Saipan 26 April. For the next 4 months the ship carried men and equipment between Saipan and Okinawa, making occasional calls at Tinian and Guam. She departed Saipan 24 July and sailed for the Philippines, operating there for the remainder of the war.

LST-914 continued to operate in the Western Paciflc after the Japanese surrender. On 26 June 1946 she decommissioned and was lent to the U.S. Army. She was then given a Japanese crew and for the next 4 years transported general cargo in the Far East.

With the outbreak of hostilities in Korea and the consequent urgent need for ships, LST -914 recommissioned at Yokosuka, Japan, 26 August 1950, Lt. R. L. Holsaus in command. By 6 September she was steaming tor the combat zone. She embarked units of the 1st Marine Division at Pusan and transported them around the peninsula for the 15 September Inchon invasion, one of the decisive amphibious assaults of history, which routed the North Korean Army. Following Inchon, for which her task element was awarded the Navy Unit Commendation, the LST participated in the Wonsan operations and in the evacuation of Hungnam, 10-24 December. On 13 January she sailed for Kobe, Japan, underwent overhaul and returned to Korea in mid-February. She continued to support operations off the Korean coast until 1 April 1951, then departed fo San Diego, arriving 26 May.

For the next 2 years LST-914 operated off the west coast. In June of 1963, she departed San Diego for her first Bar-Change operation, the replenishment of bases in the Arctic. She returned to that duty during the summers of 1955-57 and plied the waters of the Arctic Ocean, operating primarily in the Beaufort Sea. En route to her 1966 Arctic deployment, LST -914 was given the name Mahoning County in ceremonies at Seattle, Wash., 7 July. In addtion to her Arctic cruises, the LST-940 participated in deployments in the western Paciflc during the winters of 1954,1956, and 1958.

Mahoning County operated out of Long Beach for the flrst 9 months of 1959. On 5 September she decommissioned and was sold 22 June 1960 to Zidall Explorations, Inc.

LST-914 received two battle stars for World War II service and 4 for Korean service.