Alphabetic Index - x

Alphabetic Index - x

X-1 - Rocket Engine - USA - Lox/Kerosene propellants - 880.440 kN

X-1 - Rocket Engine - USA - Lox/Kerosene propellants - 880.440 kN

X-10 - Intermediate range cruise missile - USA (US Department of Defence Designation) - See Navaho X-10

X-11 - Intermediate range ballistic missile - USA - See Atlas A

X-12 - Intercontinental ballistic missile - USA - See Atlas B

X-15 - Space Project - Manned - Rocketplane

X-15 - Space Project - Manned - Rocketplane

X-15 Flight 138 - Manned spaceflight - X-15 program

X-15 Flight 143 - Manned spaceflight - X-15 program

X-15 Flight 150 - Manned spaceflight - X-15 program

X-15 Flight 153 - Manned spaceflight - X-15 program

X-15 Flight 174 - Manned spaceflight - X-15 program

X-15 Flight 190 - Manned spaceflight - X-15 program

X-15 Flight 191 - Manned spaceflight - X-15 program

X-15 Flight 197 - Manned spaceflight - X-15 program

X-15 Flight 62 - Manned spaceflight - X-15 program

X-15 Flight 77 - Manned spaceflight - X-15 program

X-15 Flight 87 - Manned spaceflight - X-15 program

X-15 Flight 90 - Manned spaceflight - X-15 program

X-15 Flight 91 - Manned spaceflight - X-15 program

X-15 Pressure Suit - Spacecraft - Manned - Space Suits - USA - See MC-2

X-15/Blue Scout - Winged orbital launch vehicle - USA

X-15A - Rocketplane - USA

X-15A - Spacecraft - Manned - Spaceplane - USA

X-15A-2 - Rocketplane - USA

X-15A-2 - Spacecraft - Manned - Spaceplane - USA

X-15A-3 - Spacecraft - Manned - Spaceplane - USA

X-15B - Spacecraft - Manned - Spacecraft - USA

X-17 - Launch Vehicle Family

X-17 - Suborbital launch vehicle - USA

X-17 - All-solid orbital launch vehicle - USA (US Department of Defence Designation) - See RAM

X-17 - Suborbital launch vehicle - USA (US Department of Defence Designation)

X-1A - Spacecraft - Manned - Rocketplane - USA

X-1B - Spacecraft - Manned - Rocketplane - USA

X-1D - Spacecraft - Manned - Rocketplane - USA

X-1E - Spacecraft - Manned - Rocketplane - USA

X-2 - Spacecraft - Manned - Rocketplane - USA

X-20 Glider - Spacecraft - Manned - Spacecraft Module - - See Dynasoar Glider

X-20A - Spacecraft - Manned - Spaceplane - USA - See Dynasoar

X-23A - Spacecraft - Manned - Spaceplane - USA - See Prime

X-248 - Rocket Engine - USA - Solid propellants - 12.400 kN

X-248 - Rocket Engine - USA - Solid propellants - 12.400 kN

X-248A - Rocket Engine - USA - Solid propellants - 13.800 kN

X-248A - Rocket Engine - USA - Solid propellants - 13.800 kN

X-24A - Spacecraft - Manned - Spaceplane - USA

X-24B - Spacecraft - Manned - Spaceplane - USA

X-24C - Spacecraft - Manned - Spaceplane - USA

X-254 - Rocket Engine - USA - Solid propellants - 60.500 kN

X-254 - Rocket Engine - USA - Solid propellants - 60.500 kN

X-258 - Rocket Engine - USA - Solid propellants - 22.200 kN

X-258 - Rocket Engine - USA - Solid propellants - 22.200 kN

X-259 - Rocket Engine - USA - Solid propellants - 93.100 kN

X-259 - Rocket Engine - USA - Solid propellants - 93.100 kN

X-259A - Rocket Engine - USA - Solid propellants - 80.800 kN

X-259A - Rocket Engine - USA - Solid propellants - 80.800 kN

X-30 - Winged orbital launch vehicle - USA

X-30 - Winged orbital launch vehicle - USA (US Department of Defence Designation)

X-30 - Spacecraft - Manned - Spaceplane - USA

X-33 - Winged rocketplane - USA

X-33 - Winged rocketplane - USA (US Department of Defence Designation)

X-34 - Rocketplane - USA

X-34 - Spacecraft - Spaceplane - - USA

X-34A - Rocketplane - USA

X35AL-6000 - Rocket Engine - USA -

X35AL-6000 - Rocket Engine - USA -

X-37 - Spacecraft - Spaceplane - - USA

X-38 - Spacecraft - Manned - Spaceplane - USA

X4 - Air-to-air missile - Germany

X-40 - Spacecraft - Spaceplane - - USA

X-405 - Rocket Engine - USA - Lox/Kerosene propellants - 134.800 kN

X-405 - Rocket Engine - USA - Lox/Kerosene propellants - 134.800 kN

X-43 - Spacecraft - Spaceplane - - USA

X-430 - Rocket Engine - USA - LF2/LH2 propellants - 334.000 kN

X45ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XLR-13-AJ-5

X45ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X45ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X4-AL-1000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X4-AL-1000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X60AL-1300 - Rocket Engine - USA - Nitric acid/Amine propellants -

X60AL-1300 - Rocket Engine - USA - Nitric acid/Amine propellants -

X60ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X60ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XLR-13-AJ-7

X60ALD-4000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X-8 - Rocket Engine - USA - Lox/LH2 propellants -

X-8 - Rocket Engine - USA - Lox/LH2 propellants -

X-9 - Air-to-surface missile - USA (US Department of Defence Designation) - See Shrike X-9

X90ALT-60000 - Rocket Engine - USA - Nitric acid/Amine propellants -

X90ALT-60000 - Rocket Engine - USA - Nitric acid/Amine propellants -

XAGR-14 - Air-to-surface rocket - USA (US Department of Defence Designation) - See Zap

XBQM-106A - Drone - USA (US Department of Defence Designation) - See Teleplane

XCAL-200 - Rocket Engine - USA - Nitric acid/Amine propellants - - See 300LR-200

XCALR-2000A-1 - Rocket Engine - USA - Nitric acid/Amine propellants -

XCALR-2000A-1 - Rocket Engine - USA - Nitric acid/Amine propellants -

XCALT-6000 - Rocket Engine - USA - Nitric acid/Amine propellants -

XCALT-6000 - Rocket Engine - USA - Nitric acid/Amine propellants -

XCNLT-1500 - Rocket Engine - USA - Isopropylnitrate propellants -

XCNLT-600/1000/1500 - Rocket Engine - USA - Isopropylnitrate propellants - - See XCNLT-1500

Xerus - Spacecraft - Manned - Spaceplane - USA

XF-91 - Spacecraft - Manned - Rocketplane - USA

XFGR-17 - Anti-tank rocket - USA (US Department of Defence Designation) - See Viper FGR-17

Xichang - Orbital Launch Site in China.

Xie Guangxuan - Xie Guangxuan - Chinese Engineer -

XIPS-13 0.44 kW - Rocket Engine - USA - Electric/Xenon propellants - 0.00 N

XIPS-25 1.3 kW - Rocket Engine - USA - Electric/Xenon propellants - 0.06 N

XIPS-25 4.2 kW - Rocket Engine - USA - Electric/Xenon propellants - 0.17 N

XJ40-WE-1 - Rocket Engine - USA - Air/Kerosene propellants - 48.500 kN

XLIM-49A - Anti-ballistic missile - USA (US Department of Defence Designation) - See Nike Zeus

XLR-105-5 - Rocket Engine - USA - Lox/Kerosene propellants - 363.200 kN

XLR105-5 - Rocket Engine - USA - Lox/Kerosene propellants - 363.200 kN - See XLR-105-5

XLR-11 - Rocket Engine - USA - Lox/Alcohol propellants -

XLR11-RM-1 - Rocket Engine - USA - Lox/Alcohol propellants - - See XLR-11

XLR132 - Rocket Engine - USA - N2O4/MMH propellants - 16.700 kN - See XLR-132

XLR-132 - Rocket Engine - USA - N2O4/MMH propellants - 16.700 kN

XLR13-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See X60ALD-4000

XLR13-AJ-3 - Rocket Engine - USA - Nitric acid/Amine propellants - - See X45ALD-4000

XLR-13-AJ-5 - Rocket Engine - USA - Nitric acid/Amine propellants -

XLR13-AJ-5 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XLR-13-AJ-5

XLR-13-AJ-7 - Rocket Engine - USA - Nitric acid/Amine propellants -

XLR13-AJ-7 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XLR-13-AJ-7

XLR15-AJ-1 - Rocket Engine - USA - Isopropylnitrate propellants - - See XCNLT-1500

XLR16-AJ-1 - Rocket Engine - USA - - See LR16

XLR17-CW-1 - Rocket Engine - USA - Lox/Gasoline propellants - - See LR17

XLR19-CW-1 - Rocket Engine - USA - Lox/Gasoline propellants - - See LR19

XLR1-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See 25AL-1000

XLR20-AJ-2 - Rocket Engine - USA - Nitric acid/Gasoline propellants - - See XLR20AJ-2

XLR20AJ-2 - Rocket Engine - USA - Nitric acid/Gasoline propellants -

XLR21-CW-1 - Rocket Engine - USA - Lox/Gasoline propellants - - See LR21

XLR22-RM-1 - Rocket Engine - USA - - See LR22

XLR23-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See X90ALT-60000

XLR24-AJ-2 - Rocket Engine - USA - Nitric acid/Gasoline propellants - - See XLR24AJ-2

XLR24AJ-2 - Rocket Engine - USA - Nitric acid/Gasoline propellants -

XLR-25-CW-1 - Rocket Engine - USA - Lox/Alcohol propellants - 66.880 kN

XLR25-CW-1 - Rocket Engine - USA - Lox/Alcohol propellants - 66.880 kN - See XLR-25-CW-1

XLR26-RM-1 - Rocket Engine - USA - - See LR26

XLR27-CW-1 - Rocket Engine - USA - - See LR27

XLR29-CW-1 - Rocket Engine - USA - - See LR29

XLR2-RM-1 - Rocket Engine - USA - - See LR2

XLR30-RM-2 - Rocket Engine - USA - Lox/Ammonia propellants - 222.600 kN - See LR30

XLR31-K-1 - Rocket Engine - USA - - See LR31

XLR32-RM-1 - Rocket Engine - USA - - See LR32

XLR33-RM-1 - Rocket Engine - USA - - See LR33

XLR35-RM-1 - Rocket Engine - USA - - See LR35

XLR37-CW-1 - Rocket Engine - USA - Lox/Gasoline propellants - 225.00 N - See LR37

XLR39-RM-1 - Rocket Engine - USA - Lox/Alcohol propellants - 225.00 N - See LR39

XLR3-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See 25XALD-1000

XLR40-RM-1 - Rocket Engine - USA - H2O2/Kerosene propellants - 35.690 kN - See LR40

XLR41-NA-1 - Rocket Engine - USA - - See LR41

XLR42-NA-1 - Rocket Engine - USA - - See LR42

XLR-43-NA-1 - Rocket Engine - USA - Lox/Alcohol propellants - 333.000 kN

XLR43-NA-1 - Rocket Engine - USA - Lox/Alcohol propellants - 333.000 kN - See XLR-43-NA-1

XLR48-RM-1 - Rocket Engine - USA - - See LR48

XLR49-AJ-1 - Rocket Engine - USA - - See LR49

XLR51-AJ-1 - Rocket Engine - USA - - See LR51

XLR53-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XLR53AJ-1

XLR53AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants -

XLR54-NA-1 - Rocket Engine - USA - H2O2/Kerosene propellants - 26.400 kN - See LR54

XLR55-?-1 - Rocket Engine - USA - - See LR55

XLR5-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See 40ALD-3000

XLR65-B-1 - Rocket Engine - USA - - See LR65

XLR6-RM-1 - Rocket Engine - USA - - See LR6

XLR-71-NA-1 - Rocket Engine - USA - Lox/Alcohol propellants -

XLR71-NA-1 - Rocket Engine - USA - Lox/Alcohol propellants - - See XLR-71-NA-1

XLR7-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See XCALT-6000

XLR81-BA - Rocket Engine - USA - Nitric acid/UDMH propellants - 71.200 kN - See Bell 8081

XLR81-BA-13 - Rocket Engine - USA - Nitric acid/UDMH propellants - 71.200 kN - See Bell 8247

XLR-83-NA-1 - Rocket Engine - USA - Lox/Kerosene propellants - 602.000 kN

XLR83-NA-1 - Rocket Engine - USA - Lox/Kerosene propellants - 602.000 kN - See XLR-83-NA-1

XLR-89-1 - Rocket Engine - USA - Lox/Kerosene propellants - 758.700 kN

XLR89-1 - Rocket Engine - USA - Lox/Kerosene propellants - 758.700 kN - See XLR-89-1

XLR-89-5 - Rocket Engine - USA - Lox/Kerosene propellants - 758.700 kN

XLR89-5 - Rocket Engine - USA - Lox/Kerosene propellants - 758.700 kN - See XLR-89-5

XLR99 - Rocket Engine - USA - Lox/Ammonia propellants - 262.400 kN - See XLR-99

XLR-99 - Rocket Engine - USA - Lox/Ammonia propellants - 262.400 kN

XLR9-AJ-1 - Rocket Engine - USA - Nitric acid/Amine propellants - - See X4-AL-1000

XM-270 - Tactical ballistic rocket - USA - See MLRS

XM-28 - Tactical ballistic rocket - USA - See Davy Crockett XM-29

XM-388 - Tactical ballistic rocket - USA - See Davy Crockett M-28

XMM - Spacecraft - Astronomy - X-ray - Europe

XMM-Newton - Spacecraft - Astronomy - X-ray - Europe - See XMM

X-OP - VTOVL orbital launch vehicle - USA - See SSX

XOV - Spacecraft - Manned - Spaceplane - USA - See Blackstar

XP-79 - Spacecraft - Manned - Rocketplane - USA

XP-92 - Spacecraft - Manned - Rocketplane - USA

X-PLANES AND AERONAUTICS - Spacecraft - - -

X-Prize - Space Project - -

X-Prize - Space Project - -

X-Prize - Spacecraft family

XR2P1 - Rocket Engine - USA - Nitrous oxide/Alcohol propellants - 67.00 N

XR3A2 - Rocket Engine - USA - Lox/Alcohol propellants - 700.00 N

XR3B4 - Rocket Engine - USA - Nitrous oxide/Alcohol propellants - 220.00 N

XR3M9 - Rocket Engine - USA - Lox/CH4 propellants - 223.00 N

XR4A3 - Rocket Engine - USA - Lox/Alcohol propellants - 1.780 kN

XR4K14 - Rocket Engine - USA - Lox/Kerosene propellants - 6.670 kN

XR4K5 - Rocket Engine - USA - Lox/Kerosene propellants - 8.000 kN

XR5M12 - Rocket Engine - USA - Lox/CH4 propellants - 22.300 kN

XR5M15 - Rocket Engine - USA - Lox/CH4 propellants - 33.360 kN

X-ray Multi Mirror - Spacecraft - Astronomy - X-ray - Europe - See XMM

XRJ47-W-5 - Rocket Engine - USA - Air/Kerosene propellants - 33.400 kN

XRM-89 - Suborbital launch vehicle - USA (US Department of Defence Designation) - See Blue Scout 1

XRM-90 - All-solid orbital launch vehicle - USA (US Department of Defence Designation) - See Blue Scout 2

XRM-91 - Suborbital launch vehicle - USA (US Department of Defence Designation) - See Blue Scout Junior

X-Rocket - VTOVL orbital launch vehicle - USA - See SSX

XRS-2200 - Rocket Engine - USA - Lox/LH2 propellants - 1192.000 kN

XS-1 - Spacecraft - Manned - Rocketplane - USA

XS-2 - Spacecraft - Manned - Rocketplane - USA - See X-2

XSM-64 - Intermediate range cruise missile - USA (US Department of Defence Designation) - See Navaho G-26

XSS - Spacecraft - Technology - - USA

XSSM-A-2 - Intermediate range cruise missile - USA - See Navaho SSM-A-2

XSSM-A-4 - Intermediate range cruise missile - USA - See Navaho G-26

XTE - Spacecraft - Astronomy - X-ray - USA

Xue Lun - Xue Lun - Chinese Manager -

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