USNS Watertown (T-AGM-6) was a Watertown-class missile range instrumentation ship acquired by the United States Navy in 1960 and converted from her SS Niantic Victory Victory ship cargo configuration to a missile tracking ship, a role she retained for eleven years before being placed out of service in 1971.
Wallops Flight Facility (WFF) is a rocket launch site on Wallops Island on the Eastern Shore of Virginia, United States, just east of the Delmarva Peninsula and approximately 100 miles (160 km) north-northeast of Norfolk. The facility is operated by the Goddard Space Flight Center in Greenbelt, Maryland, and primarily serves to support science and exploration missions for NASA and other federal agencies. WFF includes an extensively instrumented range to support launches of more than a dozen types of sounding rockets; small expendable suborbital and orbital rockets; high-altitude balloon flights carrying scientific instruments for atmospheric and astronomical research; and, using its Research Airport, flight tests of aeronautical research aircraft, including unmanned aerial vehicles.
USNS Redstone, designated T‑AGM‑20, was a tracking ship assigned to Apollo space mission support under the control of the Eastern Range. For a brief time during conversion the ship was named Johnstown with the designation AGM‑20.
SS Mission San Fernando was a Type T2-SE-A2 tanker built for the United States Maritime Commission during World War II. After the war she was acquired by the United States Navy as USS Mission San Fernando (AO-122). Later the tanker transferred to the Military Sea Transportation Service as USNS Mission San Fernando (T-AO-122). She was a member of the Mission Buenaventura-class oiler and was named for Mission San Fernando Rey de España in Los Angeles. She was later renamed USNS Muscle Shoals (T-AGM-19), and, later, USNS Vanguard (T-AG-194).
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.
A tracking ship, also called a missile range instrumentation ship or range ship, is a ship equipped with antennas and electronics to support the launching and tracking of missiles and rockets. Since many missile ranges launch over ocean areas for safety reasons, range ships are used to extend the range of shore-based tracking facilities.
SS Twin Falls Victory, named after Twin Falls, Idaho, was a Victory ship built for World War II. Converted to a Missile Range Instrumentation Ship, she was initially operated by the US Air Force as USAF Twin Falls Victory, before coming under US Navy control and being named USNS Twin Falls (T-AGM-11/T-AGS-37). She later had a third career as the training ship SS John W. Brown II.
USS King County (LST-857) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in Texas and Washington, she was the only U.S. Naval vessel to bear the name.
USNS General H. H. Arnold (T-AGM-9) was a General G. O. Squier-class transport ship for the U.S. Navy in World War II. She was named in honor of U.S. Army general Robert Emmet Callan. She was transferred to the U.S. Army as USAT General R. E. Callan in 1946. On 28 April 1950 she was transferred to the Military Sea Transportation Service (MSTS) as USNS General R. E. Callan (T-AP-139). Placed in reserve in 1958, she was transferred to the U.S. Air Force in 1961 and renamed USAFS General H. H. Arnold in 1963, in honor of Henry H. Arnold, the first and only General of the Air Force. She was reacquired by the Navy in 1964 as USNS General H. H. Arnold (T-AGM-9). She was struck from the Naval Vessel Register on 1 March 1982.
USNS Range Tracker (T-AGM-1/T-AG-160) was an Air Force Systems Command Range Tracker-class missile range instrumentation ship. She was acquired from the National Defense Reserve Fleet in the 1950s and converted into a missile range tracking ship with a civilian crew. She performed tracking duties from 1961 through 1969 on the Western Launch and Test Range.
SS Haiti Victory (T-AGM-238) was originally built and operated as Greenville class cargo Victory ship which operated as a cargo carrier in both the Atlantic Ocean and the Pacific Ocean during World War II.
USNS Private Joe E. Mann (T-AK-253) was a Boulder Victory-class cargo ship acquired in 1950, from the U.S. Army, where she was known as the USAT Private Joe E. Mann.
SS Dalton Victory was built as Victory ship used as a cargo ship for World War II under the Emergency Shipbuilding program. She was launched by the California Shipbuilding Company on 6 June 1944 and completed on 19 July 1944 as a Greenville Victory-class cargo ship. The ship’s United States Maritime Commission designation was VC2- S- AP3, hull number 21. She was acquired by the U.S. Navy in 1950 and renamed the USNS Dalton Victory (T-AK-256).
USNS Huntsville (T-AGM-7) was a Watertown-class missile range instrumentation ship acquired by the U.S. Navy in 1960 and converted from the SS Knox Victory Victory ship cargo configuration to a missile tracking ship, a role she retained for a number of years before being struck from the Navy List in 1974.
USNS Wheeling (T-AGM-8) was a Wheeling-class missile range instrumentation ship acquired by the U.S. Navy in 1962 and converted from her Victory ship cargo configuration to a missile tracking ship, a role she retained for a number of years before being sunk as a target by Harpoon missiles on 12 July 1981.
USNS Rose Knot (T-AGM-14) was a World War II era United States Maritime Commission small cargo ship built in 1945 and delivered to the War Shipping Administration for operation through agent shipping companies and for periods by the Military Sea Transportation Service (MSTS). In 1957 the ship was transferred to the Air Force and converted into a missile range instrumentation ship which operated as USAFS Rose Knot on the U.S. Air Force's Eastern Test Range during the late 1950s and early 1960s. Rose Knot operated under an Air Force contract with Pan American Airways Guided Missile Range Division headquartered in Cocoa Beach, Florida. In July 1964, all Air Force tracking ships were transferred to MSTS for operation with the Air Force in operational control while the ships were at sea as tracking ships. Rose Knot had special facilities for supporting the human spaceflight program and supported the early crewed flights. The ship was owned by the U.S. government until sold for non-transportation use in 1977.
USS Somerset (AK-212) was an Alamosa-class cargo ship that was constructed for the US Navy during the closing period of World War II. She was later acquired by the US Army in 1946 and the US Air Force in 1957 before being reacquired by the USN as the USNS Coastal Sentry (T-AGM-15), a missile range instrumentation ship.
USNS Coastal Crusader (AK-220/ORV-16/T-AGM-16/AGS-36) was an Alamosa-class cargo ship that was constructed for the US Navy during the closing period of World War II. She was later acquired by the US Army in 1946 and the US Air Force in 1957 before being reacquired by the USN in 1964 and as a missile range instrumentation ship.
USNS Shearwater (T-AG-177) was a Shearwater-class miscellaneous auxiliary built during the final months of World War II for the US Army as FS-411 by Hickinbotham Brothers Shipbuilders. FS-411 was Coast Guard manned operating in the Central and Western Pacific, including Hawaii, Saipan, Tinian, Guam, during the closing days of the war.
United States