Alphabetic Index - y
  • Yablontsev - Aleksandr Nikolaevich Yablontsev - Russian Pilot Cosmonaut - Buran Group 3 - 1989, Chkalov Group 3 - 1992
  • YaERD-2200 - Rocket Engine - Russia - Nuclear/LH2 propellants - 81.000 kN
  • Yakhont - Anti-ship missile - Russia - See P-800
  • YaKhR-2 - Nuclear orbital launch vehicle - Russia
  • Yakhta - Spacecraft - Communications - - Russia
  • Yakovlev - Oleg Anatolyevich Yakovlev - Russian Pilot Cosmonaut - Air Force Group 3 - 1965
  • Yamal - Spacecraft - Communications - - Russia
  • Yamal - Orbital launch vehicle - Russia
  • Yamazaki - Naoko Yamazaki (nee Sumino) - Japanese Engineer Astronaut - NASDA Group 3 - 1999, NASA Group 19 - 2004
  • Yamsat - Spacecraft - Technology - - Taiwan
  • Yang Liwei - Yang Liwei - Chinese Pilot Yuhangyuan - China Group 1 - 1998
  • Yangel - Mikhail Kuzmich Yangel - Russian Engineer -
  • Yantar FR6 - Spacecraft - Surveillance - Military - Russia - See Orlets-1
  • Yantar-1 - Spacecraft - Surveillance - Military - Russia
  • Yantar-1KF - Spacecraft - Surveillance - Military - Russia
  • Yantar-1KFT - Spacecraft - Surveillance - Military - Russia
  • Yantar-2 - Spacecraft - Surveillance - Military - Russia
  • Yantar-2K - Spacecraft - Surveillance - Military - Russia
  • Yantar-2K-M - Spacecraft - Surveillance - Military - Russia
  • Yantar-3KF - Spacecraft - Surveillance - Military - Russia
  • Yantar-4 - Spacecraft - Surveillance - Military - Russia - See Yantar-4K2
  • Yantar-4K1 - Spacecraft - Surveillance - Military - Russia
  • Yantar-4K2 - Spacecraft - Surveillance - Military - Russia
  • Yantar-4KS1 - Spacecraft - Surveillance - Military - Russia
  • Yantar-4KS2 - Spacecraft - Surveillance - Military - Russia
  • Yantar-6K - Spacecraft - Surveillance - Military - Russia
  • Yantar-6K - Spacecraft - Surveillance - Military - Russia - See Orlets-1
  • Yantar-6KS - Spacecraft - Surveillance - Military - Russia
  • YAQM-127A - Drone - USA (US Department of Defence Designation) - See Intimidator
  • YaRD OKB-456 - Rocket Engine - Russia - Nuclear/Ammonia propellants - 1373.000 kN
  • YaRD OKB-670 - Rocket Engine - Russia - Nuclear/Ammonia+Alcohol propellants - 1667.000 kN
  • YaRD Type A - Rocket Engine - Russia - Nuclear/LH2 propellants - 177.000 kN
  • YaRD Type AF - Rocket Engine - Russia - Nuclear/LH2 propellants - 196.000 kN
  • YaRD Type V - Rocket Engine - Russia - Nuclear/LH2 propellants - 392.000 kN
  • YaRD Type V-B - Rocket Engine - Russia - Nuclear/LH2 propellants - 392.000 kN
  • Yardley - John F Yardley - American Manager -
  • Yaroshenko - Georgi L Yaroshenko - Soviet Physician Cosmonaut - Voskhod Physician Group - 1965
  • Yashin - Yuri Alekseyevich Yashin - Russian Military Officer -
  • Yasinskiy - Aleksandr Filippovich Yasinskiy - Russian Military Officer -
  • Yastreb - Spacecraft - Manned - Space Suits - Russia
  • Yastrebov - Vladimir Dmitrevich Yastrebov - Russian Military Officer -
  • Yazdovskiy - Vladimir Ivanovich Yazdovskiy - Russian Military Officer -
  • Yazdovsky - Valeri Aleksandrovich Yazdovsky - Russian Engineer Cosmonaut - Energia Engineer Group 2 - 1967
  • YCGM-121A - Drone - USA (US Department of Defence Designation) - See Seek Spinner
  • Ye-8 - Spacecraft - Planetary - Lunar Rover - Russia - See Luna Ye-8
  • Ye-8-5 - Spacecraft - Planetary - Lunar Lander - Russia - See Luna Ye-8-5
  • Ye-8-5M - Spacecraft - Planetary - Lunar Lander - Russia - See Luna Ye-8-5M
  • Ye-8-LS - Spacecraft - Planetary - Lunar Orbiter - Russia - See Luna Ye-8-LS
  • Yeager - Charles E Yeager - American Pilot Test Pilot - Test Pilot (USAF)
  • Yeakel - Glenn Scott Yeakel - American Manned Spaceflight Engineer Astronaut - DoD Group 2 - 1982
  • Yebenov - Profiri Yebenov - Phantom cosmonaut - Phantom Cosmonaut
  • Yefremov - Gerbert Aleksandrovich Yefremov - Russian Engineer -
  • Yefremova - Yefremova - Soviet Engineer Cosmonaut - Female Group - 1962
  • Yegorov - Dr Boris Borisovich Yegorov - Russian Physician Cosmonaut - Voskhod Group - 1964
  • Yeliseyev - Aleksei Stanislavovich Yeliseyev - Russian Engineer Cosmonaut - Energia Engineer Group 1 - 1966
  • Yeltsin - Boris N Yeltsin - Russian Manager -
  • Yemelyanov - Sergei Aleksandrovich Yemelyanov - Russian Engineer Cosmonaut - Energia Engineer Group 7 - 1984
  • Yerkina - Zhanna Dmitriyevna Yerkina - Russian Pilot Cosmonaut - Female Group - 1962
  • Yershov - Valentin Gavriyilovich Yershov - Russian Scientist Cosmonaut - Academy of Sciences Group 1 - 1967
  • YES - Spacecraft - Technology - - Europe
  • Yesenkov - Sergei Vasilyevich Yesenkov - Russian Military Officer -
  • YF-120t - Rocket Engine - China - Lox/Kerosene propellants - 1340.200 kN
  • YF-20A - Rocket Engine - China - N2O4/UDMH propellants - 750.200 kN
  • YF-20B - Rocket Engine - China - N2O4/UDMH propellants - 816.300 kN
  • YF-22 - Rocket Engine - China - N2O4/UDMH propellants - 717.800 kN
  • YF-22/23 - Rocket Engine - China - N2O4/UDMH propellants - 762.000 kN
  • YF-22A/23A - Rocket Engine - China - N2O4/UDMH propellants - 762.000 kN
  • YF-23 - Rocket Engine - China - N2O4/UDMH propellants - 11.000 kN
  • YF-25 - Rocket Engine - China - N2O4/UDMH propellants - 787.400 kN
  • YF-25/23 - Rocket Engine - China - N2O4/UDMH propellants - 831.000 kN
  • YF-2A - Rocket Engine - China - Nitric acid/UDMH propellants - 306.100 kN
  • YF-3 - Rocket Engine - China - N2O4/UDMH propellants - 294.000 kN
  • YF-40 - Rocket Engine - China - N2O4/UDMH propellants - 49.000 kN
  • YF-50t - Rocket Engine - China - Lox/LH2 propellants - 700.000 kN
  • YF-73 - Rocket Engine - China - Lox/LH2 propellants - 11.000 kN
  • YF-75 - Rocket Engine - China - Lox/LH2 propellants - 78.500 kN
  • YJ-1 - Anti-ship missile - China
  • YJ-2 - Anti-ship missile - China
  • YJ-22 - Anti-ship missile - China - See YJ-2
  • YJ-8 - Air-to-surface missile - China - See HY-5
  • YLR-45-AJ-1 - Rocket Engine - USA - Nitric acid/Kerosene propellants -
  • YLR113-AJ-1 - Rocket Engine - USA - 666.000 kN - See AJ10-51
  • YLR44-RM-1 - Rocket Engine - - - See LR44
  • YLR45-AJ-1 - Rocket Engine - USA - Nitric acid/Kerosene propellants - - See YLR-45-AJ-1
  • YLR45-AJ-3 - Rocket Engine - USA - Nitric acid/Kerosene propellants - - See YLR45AJ-3
  • YLR45AJ-3 - Rocket Engine - USA - Nitric acid/Kerosene propellants -
  • YLR47-K-1 - Rocket Engine - - - See LR47
  • YLR63-AJ-3 - Rocket Engine - USA - Nitric acid/UDMH propellants - - See YLR63AJ-3
  • YLR63AJ-3 - Rocket Engine - USA - Nitric acid/UDMH propellants -
  • York - Herbert F York - American Manager -
  • Young - John Watts Young - American Pilot Astronaut - NASA Group 2 - 1962
  • Young Jack - John ("Jack") Donald Young - American Manager -
  • Young Lawrence - Lawrence Retman Young - American Payload Specialist Astronaut -
  • Yu Guilin - Yu Guilin - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
  • Yug - Spacecraft - Military - Target - Ukraine - See Taifun-1Yu
  • Yug - Spacecraft - Military - Target - Ukraine - See Taifun-2
  • Yuhangyuan 1? - Yuhangyuan 1? - Chinese Pilot Yuhangyuan - China Group 1 - 1998
  • Yuhangyuan 2? - Yuhangyuan 2? - Chinese Pilot Yuhangyuan - China Group 1 - 1998
  • Yurchikhin - Fyodor Nikolayevich Yurchikhin - Russian Engineer Cosmonaut - Energia Engineer Group 14 - 1997
  • Yuri - Spacecraft - Technology - Communications - Japan
  • Yurya - ICBM Base in Russia.
  • Yuyukov - Dmitri Andreyevich Yuyukov - Russian Engineer Cosmonaut - Almaz Engineer Group 2 - 1973
 
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