Tracking ship

The Chinese ships were purpose built vessels for their role in the navy and the space program.

• Yuanwang class
  • Yuanwang 1, 1977 – present
  • Yuanwang 2, 1978 – present
  • Yuanwang 3, 1995 – present
  • Yuanwang 4, 1999 – 2010
  • Yuanwang 5, 2007 – present
  • Yuanwang 6, 2007 – present

The Poincaré was a converted tanker, but the Monge was a purpose built ship.

Inactive

• Henri Poincaré, 1964–1992[2] — ex-Italian oil tanker

Active

• Monge, 1992–present[3] — purpose-built

Building

• DRDO Technology Demonstration Vessel - Under construction
• VC11184 Ocean Surveillance Ship - Undergoing sea trials

The Soviet and later Russian ships were purpose built vessels for their role.

• Kosmonaut Vladimir Komarov, 1966–1989 (scrapped)
• Akademik Sergei Korolev, 1970–1996 (scrapped)
• Kosmonavt Yuri Gagarin, 1971–1996 (scrapped)
• Kosmonaut Viktor Patsaev, 1978–2001 (museum attraction)
• Kosmonaut Georgy Dobrovolsky, 1978–2006 (scrapped)
• Kosmonaut Pavel Belyaev, 1977–2000 (scrapped)
• Kosmonaut Vladislav Volkov, 1977–2000 (scrapped)
• Morzhovetz, 1967–1989 (scrapped)
• Nevel, 1967–1989 (scrapped)
• Borovitchi, 1967–1989 (scrapped)
• Kegostrov, 1967–1989 (scrapped)

• SSV-33 Ural, 1989–2001 (laid up, scrapping in progress)
• Marshal Nedelin, 1984–1996 (scrapped)
• Marshal Krylov, 1990

There are currently only two active Instrumentation Ships in the U.S. Navy inventory: USNS Invincible (T-AGM-24)[4] and USNS Howard O. Lorenzen (T-AGM-25).[5] The latter was delivered in January 2012[6] to replace USNS Observation Island (T-AGM-23) in 2014.[7] Most of the USN and USAF tracking ships were converted into their role. Some ships were in service with NASA.

• USNS Range Tracker (T-AGM-1), 1961–1969 - built as Victory ship (transport/freighter)
• USNS Range Recoverer (T-AGM-2), 1960–1972 - built for US Army
• USNS Longview (T-AGM-3), 1959–19? - built as Victory ship (transport/freighter)
• USNS Richfield (T-AGM-4), 1960–1968 - built as Victory ship (transport/freighter)
• USNS Sunnyvale (T-AGM-5), 1960–1974 - built as Victory ship (transport/freighter)
• USNS Watertown (T-AGM-6), 1960–1972 - built as Victory ship (transport/freighter)
• USNS Huntsville (T-AGM-7), 1960–1974 - built as Victory ship (transport/freighter)
• USNS Wheeling (T-AGM-8), 1962–1990 - built as Victory ship (transport/freighter)
• USNS General H. H. Arnold (T-AGM-9), 1961–1982 - built as C4 class troop ship
• USNS General Hoyt S. Vandenberg (T-AGM-10), 1963–1983 - built as C4 class troop ship
• USNS Twin Falls (T-AGM-11), 1964–1972 - built as Victory ship (transport/freighter)
• USNS American Mariner (T-AGM-12), 1959–1966 - built as Liberty ship (transport/freighter), US Coast Guard training ship
• USNS Sword Knot (T-AGM-13), 1950s–1982 - C1-M cargo ship built for US Maritime Commission
• USNS Rose Knot (T-AGM-14), 1950s–1969 - C1-M cargo ship built for US Maritime Commission
• USNS Coastal Sentry (T-AGM-15), 1950s–1972 - C1-M cargo ship built for US Maritime Commission
• USNS Coastal Crusader (T-AGM-16), late 1950s–1976 - C1-M cargo ship built for US Maritime Commission
• USNS Timber Hitch (T-AGM-17), 1964–1969 - C1-M cargo ship built for US Maritime Commission
• USNS Sampan Hitch (T-AGM-18), 1964–1973 - C1-M cargo ship built for US Maritime Commission
• USNS Vanguard (T-AGM-19), 1964–1999 - built as Type T2-SE-A2 tanker
• USNS Redstone (T-AGM-20), 1964–1993 - built as Type T2-SE-A2 tanker
• USNS Mercury (T‑AGM‑21), 1964–1974? - built as Type T2-SE-A2 tanker
• USNS Range Sentinel (T-AGM-22), 1969–1974 - USN Haskell-class attack transport (Victory ship variation) Sherburne (APA-205)
• USNS Observation Island (T-AGM-23), 1977–2014 - built as "Mariner" class merchant ship

• USNS Waters (T-AGS-45), 1991–present
• USNS Invincible (T-AGM-24), 2000–present - built as ocean surveillance ship
• USNS Howard O. Lorenzen (T-AGM-25), 2012-present - purpose built to replace Observation Island.
• Pathfinder-class survey ships (T-AGS 60-66)