The Military Sealift Command (MSC) is an organization that controls the replenishment and military transport ships of the United States Navy. Military Sealift Command has the responsibility for providing sealift and ocean transportation for all US military services as well as for other government agencies. It first came into existence on 9 July 1949 when the Military Sea Transportation Service (MSTS) became solely responsible for the Department of Defense's ocean transport needs. The MSTS was renamed the Military Sealift Command in 1970.
USS Pulaski County (LST-1088) was a LST-1081-class tank landing ship of the United States Navy, named for seven counties in the United States.
USNS Observation Island (T-AGM-23) was built as the Mariner-class merchant ship Empire State Mariner for the United States Maritime Commission, launched 15 August 1953, and operated by United States Lines upon delivery on 24 February 1954, making voyages for the Military Sea Transportation Service (MSTS) until going into reserve at Mobile, Alabama on 9 November 1954.
USS LST-491 was the lead ship of her class of tank landing ships built for the United States Navy during World War II. Like many of her class, she was not named and is properly referred to by her hull designation.
USS DeKalb County (LST-715) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in six states, it was the only U.S. Naval vessel to bear the name.
USS LST-566 was a United States Navy LST-542-class tank landing ship in commission from 1944 to 1946. From 1952 to 1973, she served in a non-commissioned status in the Military Sea Transportation Service and the Military Sealift Command as USNS LST-566 (T-LST-566).
USS LST-607 was a United States Navy LST-542-class tank landing ship in commission from 1944 to 1946. She later served in a non-commissioned status in the Military Sea Transportation Service as USNS LST-607 (T-LST-607).
USNS Sgt. Joseph E. Muller was a C1-M-AV1 cargo ship completed 9 June 1945 and delivered to the War Shipping Administration (WSA) as Check Knot. After operation by WSA's agent Waterman Steamship Company June 1945 – November 1946 and being placed in reserve the ship was transferred to the U.S. Army and renamed USAT Sgt. Joseph E. Muller. She was transferred to the United States Navy in 1950 after the establishment of the Military Sea Transportation Service under Navy and assigned to Korean War supply and transport operations. She was again place back in service in 1962 as one of the civilian crewed, Auxiliary General (AG), technical research ships working on National Security Agency/Naval Security Group missions, based out of Florida. She was finally declared surplus to needs in 1969 and struck.
USS Wahkiakum County (LST-1162), previously USS LST-1162, was a United States Navy landing ship tank (LST) in commission from 1953 to 1970, and which then saw non-commissioned Military Sealift Command service as USNS Wahkiakum County (T-LST-1162) from 1972 to 1973.
USS Traverse County (LST-1160), previously USS LST-1160, was a United States Navy landing ship tank (LST) in commission from 1953 to 1970, and which then saw non-commissioned Military Sealift Command service as USNS Traverse County (T-LST-1160) from 1972 to 1973.
USS Tioga County (LST-1158), previously USS LST-1158, was a United States Navy landing ship tank (LST) in commission from 1953 to 1970, and which then saw non-commissioned Military Sealift Command service as USNS Tioga County (T-LST-1158) from 1972 to 1973.
USS LST-548 was a United States Navy LST-542-class tank landing ship in commission from 1944 to 1946. She also served in a non-commissioned status with the Military Sea Transportation Service as USNS LST-548 (T-LST-548) from 1952.
USS LST-550 was a United States Navy LST-542-class tank landing ship in commission from 1944 to 1946. She also served in a non-commissioned status with the Military Sea Transportation Service as USNS LST-550 (T-LST-550) from 1952.
USNS Marine Adder (T-AP–193) was a troop ship for the United States Navy in the 1950s. She was built in 1945 for the United States Maritime Commission as SS Marine Adder, a Type C4-S-A3 troop ship, by the Kaiser Company during World War II. In 1950, the ship was transferred to the Military Sea Transport Service of the U.S. Navy as a United States Naval Ship staffed by a civilian crew. After ending her naval service in 1957, she entered the National Defense Reserve Fleet, but was sold for commercial use in 1967. She was used in part to carry supplies to support the Vietnam War efforts. During the Summer of 1972 while in Da Nang Port, South Vietnam, a limpet mine was attached to the vessel by a swimmer, blowing a hole in the hull upon detonation. In order to save the ship, the Skipper ran it aground in the Da Nang harbor. The US Navy standby salvage ship USS Grasp with its crew of divers installed a box patch over the hole and pumped the water from the bilges, before moving the ship to a pier. US Army tanks hung from ship booms to heel the ship so that a metal patch could be welded in place to return the ship to duty. SS Transcolorado, she was chartered by the Military Sealift Command as a civilian cargo ship designated T-AK-2005.
USS LST-572 was a United States Navy LST-542-class tank landing ship used in the Asiatic-Pacific Theater during World War II.
USS LST/LST(H)/T-LST-488 was an LST-1-class tank landing ship built for the United States Navy during World War II.
USS LST-456 was a United States Navy LST-1-class tank landing ship used in the Asiatic-Pacific Theater during World War II.
USS LST-629 originally was a United States Navy LST-542-class tank landing ship built during World War II and in commission from 1944 to 1946 and again in the late 1952. She was sold to the Republic of Singapore Navy and renamed RSS Excellence (L-202).
USS LST-579 originally was a United States Navy LST-542-class tank landing ship built during World War II and in commission from 1944 to 1946 and again in the late 1952. She was sold to the Republic of Singapore Navy and renamed RSS Intrepid (L-203).
USS LST-613 originally was a United States Navy LST-542-class tank landing ship built during World War II and in commission from 1944 to 1946, and again in the late 1952. In 1976, she was sold to the Republic of Singapore Navy and renamed RSS Persistence (L-205).
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