The Wayback Machine - https://web.archive.org/web/20071203022515/http://www.astronautix.com:80/alpha/alpndexu.htm
Alphabetic Index - u
  • U102-000 - Rocket Engine - Russia - Nitric acid/UDMH propellants - 468.000 kN
  • U-1250 - Rocket Engine - Russia - 12.700 kN
  • U-2000 - Rocket Engine - Russia - 19.600 kN
  • U-400-10 - Rocket Engine - Russia - 3.920 kN
  • U400-10 - Spacecraft - Manned - Rocketplane - Russia
  • U-400-2 - Rocket Engine - Russia - Nitric acid/Amine propellants -
  • UA1205 - Rocket Engine - USA - Solid propellants - 5849.300 kN
  • UA1205 - Rocket Engine - USA - Solid propellants - 5849.300 kN
  • UA1206 - Rocket Engine - USA - Solid propellants - 6226.900 kN
  • UA1206 - Rocket Engine - USA - Solid propellants - 6226.900 kN
  • UA1207 - Rocket Engine - USA - Solid propellants - 7116.900 kN
  • UA1207 - Rocket Engine - USA - Solid propellants - 7116.900 kN
  • UA-156 - Rocket Engine - USA - Solid propellants - 8924.300 kN
  • UAE - Emiratan space history
  • UARS - Spacecraft - Earth - Ionosphere - USA
  • Uchinoura - Orbital Launch Site in Japan. - See Kagoshima
  • Udarov - Grigori Rafailovich Udarov - Russian Government Official -
  • UGM-109 - Intermediate range cruise missile - USA (US Department of Defence Designation) - See Tomahawk
  • UGM-133A - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Trident D-5
  • UGM-27A - Intermediate range ballistic missile - USA (US Department of Defence Designation) - See Polaris A1
  • UGM-27B - Intermediate range ballistic missile - USA (US Department of Defence Designation) - See Polaris A2
  • UGM-27C - Intermediate range ballistic missile - USA (US Department of Defence Designation) - See Polaris A3
  • UGM-73A - Intermediate range ballistic missile - USA (US Department of Defence Designation) - See Poseidon
  • UGM-89 - Anti-submarine missile - USA (US Department of Defence Designation) - See Perseus
  • UGM-96A - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Trident C-4
  • UGM-96B - Intercontinental ballistic missile - USA - See Trident D-5
  • UHF - Space Project - Communications -
  • UHF - Space Project - Communications -
  • UK - Spacecraft - - -
  • UK - British space history
  • Ukmerge - IRBM Base in Lithuania operated by Russia.
  • Ukrainian space history - - See Ukraine
  • Ulmer - Ralph E Ulmer - American Manager -
  • Ulysses - Spacecraft - Solar - - Europe
  • UM-129A - Rocket Engine - Japan - Solid propellants - 77.500 kN
  • UniSat - Spacecraft - Technology - - Italy
  • Universal - Intercontinental ballistic missile - Ukraine
  • Unmanned Logistic System - Spacecraft - Manned - Lunar Logistics - USA - See Apollo ULS
  • UoSAT - Spacecraft - Communications - Amateur Radio - UK
  • Upper Atmosphere Research Satellite - Spacecraft - Earth - Ionosphere - USA - See UARS
  • UR - Launch Vehicle Family
  • UR-100 - Launch Vehicle Family
  • UR-100 - Intercontinental ballistic missile - Russia
  • UR-100 - Anti-ballistic missile - Russia - See Taran
  • UR-100 - Intercontinental ballistic missile - Russia
  • UR-100N - Intercontinental ballistic missile - Russia
  • UR-100N - All-solid orbital launch vehicle - Russia - See Rokot
  • UR-100N - Intercontinental ballistic missile - Russia
  • UR-200 - Intercontinental ballistic missile - Russia
  • UR-200 - Intercontinental ballistic missile - Russia
  • UR-500 - Intercontinental ballistic missile - Russia
  • UR-500 - Orbital launch vehicle - Russia - See Proton 8K82
  • UR-500 - Intercontinental ballistic missile - Russia
  • UR-500K - Orbital launch vehicle - Russia - See Proton 8K82K
  • UR-500MK - Orbital launch vehicle - Russia
  • UR-530 - Orbital launch vehicle - Russia
  • UR-700 - Orbital launch vehicle - Russia
  • UR-700 - Orbital launch vehicle - Russia
  • UR-700M - Orbital launch vehicle - Russia
  • UR-900 - Orbital launch vehicle - Russia
  • Uragan - Surface-to-air missile - Russia
  • Uragan - Surface-to-air missile - Russia
  • Uragan - Spacecraft - Navigation - - Russia - See Glonass
  • Ural - Surface-to-air missile - Russia - See Buk-M1-2
  • Ural - Orbital launch vehicle - Russia - See Proton 8K82
  • Uran - Cruise missile - Russia
  • Uran - Spacecraft - Military - ASAT Target - Russia - See IS-P
  • Uran-M - Ballistic missile - Russia
  • Uran-M - Ballistic missile - Russia (Launch System Designation)
  • Urbani - Luca Urbani - Italian Payload Specialist Astronaut -
  • Urbanski - Arthur P Urbanski - German Engineer -
  • Urga - Anti-submarine rocket - Russia (ASCC Reporting Name) - See 82R
  • URPK-3/-4 - Anti-submarine missile - Russia - See 85R
  • US - Spacecraft family
  • USA - American space history
  • US-A - Spacecraft - Surveillance - Naval Radarsat - Russia
  • USA - article - Mercury & Gemini Spacecraft Systems Development Diaries
  • Usachyov - Yuri Vladimirovich Usachyov - Russian Engineer Cosmonaut - Energia Engineer Group 10 - 1989
  • US-AM - Spacecraft - Surveillance - Naval Radarsat - Russia - See US-A
  • USB - Spacecraft - Military - ASAT - Russia
  • USERS - Spacecraft - Materials - - Japan
  • US-KMO - Spacecraft - Early Warning - - Russia - See Prognoz SPRN
  • US-KS - Spacecraft - Early Warning - - Russia - See Oko
  • USM No. 176-01 - Spacecraft - Manned - Space Station - Russia - See ISS Zvezda
  • US-P - Spacecraft - SIGINT - Naval reconnaisance - Russia
  • US-PM - Spacecraft - SIGINT - Naval reconnaisance - Russia - See US-P
  • US-PU - Spacecraft - SIGINT - Naval reconnaisance - Ukraine
  • US-PU - Spacecraft - SIGINT - Naval reconnaisance - Russia - See Pirs-2
  • US-PU - Spacecraft - SIGINT - Naval reconnaisance - Ukraine
  • USRM - Rocket Engine - USA - Solid propellants - 7560.500 kN
  • USSR - Soviet space history
  • Ustinov - Dmitri Fedorovich Ustinov - Russian Government Official -
  • Ustinov N G - Nikolai Grigoyevich Ustinov - Russian Military Officer -
  • Utkin - Vladimir Fedorovich Utkin - Russian Chief Designer -
  • Utkin Ivan - Ivan Ivanovich Utkin - Russian Engineer -
  • Utsch - Albert Utsch - American Engineer -
  • UUM-125 - Anti-submarine missile - USA (US Department of Defence Designation) - See Sea Lance
  • UUM-44A - Anti-ship missile - USA (US Department of Defence Designation) - See Subroc
  • Uzhur - ICBM Base in Russia.
  • Uzhur - ICBM Base in Russia.

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