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(Click for frequent words.) 79 scramjet 73 hypersonic speeds 70 supersonic combustion ramjet 69 hypersonic flight 68 supersonic combustion 68 ramjet 68 Scramjet 67 scramjets 66 HyShot 66 Supersonic Combustion Ramjet 66 hypersonic jet 66 breathing supersonic combustion 65 hypersonic scramjet 65 breathing scramjet engine 65 hypersonic missiles 65 GSLV Mk III 64 suborbital spacecraft 63 scramjet engines 63 Kaveri engine 63 cryogenic engine 63 hypersonic 63 Technology Demonstrator 62 ramjet engine 62 ramjet propulsion 62 scramjet powered 61 X #A 61 SpaceLoft XL 61 Merlin 1C 61 hypersonic missile 61 orbital insertion 61 SpaceShip Two 61 supersonically 61 liquid propellant 61 HyFly 61 VTOL aircraft 61 ion propulsion 61 solid propellants 61 indigenous cryogenic 60 indigenous cryogenic stage 60 Pegasus XL 60 indigenous cryogenic engine 60 hypersonic glider 60 cryogenic engines 60 ion thruster 60 Variable Specific 60 unpiloted 60 Scramjets 60 drogue parachute 60 turbojets 59 SolarEagle 59 Solar Impulse HB SIA 59 hypersonic cruise missiles 59 parabolic trajectory 59 EZ Rocket 59 electric ion propulsion 59 ornithopter 59 STOVL propulsion system 59 VASIMR 59 spaceplane 59 RL# engine 59 Fregat upper stage 59 geared turbofan engines 59 propellant tanks 59 rocket thrusters 59 KSLV 1 59 turbofans 59 monopropellant 59 Blackswift 58 ramjets 58 NFIRE 58 turbofan engine 58 turbofan 58 aircraft Solar Impulse 58 Airborne Laser Testbed 58 J 2X engine 58 ion thrusters 58 liquid propellants 58 H IIA 58 unpowered glide 58 GSLV D3 58 reusable spacecraft 58 pusher propeller 58 Hyper X 58 SSMEs 58 uncrewed 58 PSLV rocket 58 Foton spacecraft 58 hypergolic 58 RSRMs 58 nanosatellites 58 indigenously developed cryogenic 58 JIMO 58 Geared Turbofan 58 Stratospheric Observatory 57 X #A WaveRider 57 lbf thrust 57 SaM# 57 PurePower engine core 57 Foton M2 57 Geosynchronous Satellite Launch Vehicle 57 KSLV 57 nanosatellite 57 STOVL mode 57 GSLV D3 rocket 57 Minotaur IV 57 Reusable Launch Vehicle 57 A#T 57 STOVL variant 57 kg payload 57 GE Honda HF# 57 intercept ballistic missiles 57 HIAPER 57 unmanned rotorcraft 57 spacecraft 57 PW#A 57 scramjet propulsion 57 nanomotor 57 thruster 57 Vehicle GSLV 57 Canada PW#A engines 56 probe Chang'e 56 xenon propellant 56 airborne observatory 56 ballistic trajectory 56 CHIPSat 56 X #A Waverider 56 combustor 56 Satellite Launch Vehicle GSLV 56 Satellite Launch Vehicle 56 orbital velocity 56 kinetic warhead 56 NASA MESSENGER spacecraft 56 composite payload fairing 56 supersonic 56 Orion spacecraft 56 PW#G engine 56 Cygnus spacecraft 56 ExoMars rover 56 Foton M3 56 bipropellant 56 WGS satellites 56 Orbital Express 56 oxidiser 56 JP# [001] 56 #kt #km h 56 PSLV C7 56 #mph [003] 56 turbojet engine 56 EKV 56 Atlas 2AS 56 HB SIA 56 magnetic spectrometer 56 GSLV rocket 56 hypergolic propellants 56 J 2X 56 #km h [003] 56 LISA Pathfinder 56 magnetically levitated trains 56 flea hop 56 gaseous hydrogen 56 infrared observatory 56 LEAP X1C 55 ARCTUS 55 cryogenically cooled 55 stratospheric airship 55 geo synchronous 55 UUV 55 turbofan engines 55 Rockot 55 spacecraft SpaceShipTwo 55 retrorockets 55 Infrared Astronomy 55 APKWS II 55 Trishul missile 55 modified Boeing #SP 55 supercruise 55 transonic 55 Planck spacecraft 55 geosynchronous satellite 55 turbopumps 55 BrahMos missile 55 mothership WhiteKnightTwo 55 supersonic cruise missile 55 GPS IIF satellites 55 Agni missile 55 QinetiQ Zephyr 55 Proba 2 55 supersonic cruise missiles 55 Geosynchronous Transfer Orbit GTO 55 spacecraft Chandrayaan 1 55 INSAT 3D 55 Agni III 55 NCADE 55 microgravity experiments 55 SpaceX Falcon 9 55 subsonic speeds 55 nanomotors 55 EMALS 55 electrically actuated 55 X #A scramjet 55 LightSail 55 exoatmospheric kill vehicle 55 H2A rocket 55 Jetpod 55 Air Missile AMRAAM 55 PW#G 55 PSLV C# 54 BRAHMOS 54 GOCE satellite 54 AJ# engine 54 Kliper 54 autonomous aerial refueling 54 solid propellant 54 NuSTAR 54 maneuvering thrusters 54 heavier payloads 54 Infrared Astronomy SOFIA 54 Geared Turbofan demonstrator 54 Laser COIL 54 astro comb 54 turbojet 54 turboshaft 54 electromagnetic railgun 54 Aerosonde Mark 54 parafoil 54 Centaur upper 54 lunar explorer 54 HB SIB 54 Taepo Dong 2 54 GSLV rockets 54 SLBM 54 Taepo Dong 54 Soyuz launcher 54 preset orbit 54 cryocooler 54 Minotaur rocket 54 aeroshell 54 optionally piloted 54 NASA Stratospheric Observatory 54 PSLV C 54 WK2 54 Gossamer Condor 54 maglev trains 54 satellite Giove 54 afterburning 54 endurance UAV 54 BrahMos cruise missile 54 SDACS 54 Zenit 3SL rocket 54 electrolyser 54 dexterous robot 54 PSLV C# rocket 54 cryogenic propellant 54 #bar [002] 54 X #As 54 Ariane rocket 54 Yinghuo 1 54 ducted fan 54 EGBU 54 AE #C# 54 Airborne Laser Testbed ALTB 54 Churyumov Gerasimenko 54 PurePower PW#G demonstrator 54 Reaction Engines 54 tiltrotor aircraft 54 turbo compressor 54 Taepodong ballistic missile 54 SpaceshipTwo 54 ramjet powered 54 unpiloted aircraft 54 ST5 54 simulate weightlessness 53 AEHF satellite 53 Taurus XL 53 powerpack 53 xenon ions 53 compressed nitrogen 53 WhiteKnightTwo WK2 53 PurePower TM 53 experimental payloads 53 liquid hydrogen LH2 53 turbo prop engines 53 propulsion 53 Galileo satellites 53 AE #A# 53 SSME 53 Virgin Galactic SpaceShipTwo 53 Airborne Laser 53 midcourse phase 53 GIOVE B 53 supersonic cruise 53 Launch Abort System 53 PSLV C9 53 communication satellite GSAT 53 PW#F 53 geared turbofan engine 53 BepiColombo 53 Fregat 53 SpaceLoft XL rocket 53 GPS IIF 53 orbital rendezvous 53 Orbital Taurus 53 intercontinental missile 53 hypersonic propulsion 53 tokamaks 53 Giove B 53 AESA radar 53 hydrogen combustion engine 53 General Electric GEnx 53 eCore 53 Dhanush missile 53 endo atmospheric 53 MALD J 53 Scaled Composites SpaceShipOne 53 MALE UAV 53 exo atmospheric 53 turbopump 53 turbojet engines 53 ARGUS IR 53 crewed spacecraft 53 SPHERES 53 electron accelerator 53 Agni V 53 SpaceX Dragon capsule 53 Zenit 3SL 53 PSLV C6 53 robotic spacecraft 53 Eurojet EJ# 53 pneumatic catapult 53 AAI Shadow 53 radar evading fighter 53 Eurofighter Typhoon jet 53 Small Diameter Bomb 53 Viking Lander 53 hyperspectral imager 53 vernier engines 53 MESSENGER spacecraft 53 Volna rocket 53 Chang'eI 53 STP S# 53 chemical hydride 53 TEAM TSAT 52 Intermediate Range Ballistic 52 HF# engine 52 microrobot 52 Autonomous Rendezvous Technology 52 RS #A 52 Bulava submarine launched 52 electromagnetic motors 52 Launch Vehicle EELV 52 System ARBS 52 GE CF6 engines 52 THAAD interceptor 52 cryogenic propellants 52 xenon ion 52 turbofan jet 52 LTS# 52 probe Huygens 52 Rutan SpaceShipOne 52 Highly Adaptable Satellite 52 Tactical Tomahawk 52 landing CTOL F 52 General Electric CF6 52 Terrier Orion 52 Space Launch Vehicle 52 solenoid coil 52 multistage rocket 52 Globalstar satellites 52 IBEX spacecraft 52 Jupiter Icy Moons 52 afterburner 52 suborbital spaceship 52 electric propulsion 52 Bulava missile 52 YES2 52 Ion propulsion 52 Martian rovers 52 guided munition 52 GEnx engine 52 unrefueled 52 RD AMROSS RD 52 Titan 4B 52 SBSS satellite 52 payload fairing 52 STSS satellites 52 Honda i VTEC 52 radar altimeter 52 AIM #D 52 Fischer Tropsch process 52 Infrared Pathfinder Satellite 52 Orbital Sciences Taurus 52 optionally manned 52 cryogenic cooling 52 Sun synchronous orbit 52 Cloud Aerosol Lidar 52 Dragon capsule 52 JDAM ER 52 thrust vectoring 52 microbots 52 lander rover 52 supercontinuum generation 52 Vehicle OBV 52 drogue chute 52 emissions combustor 52 Shenzhou spacecraft 52 suborbital trajectory 52 Martian lander 52 aircraft MSN# 52 BomBot 52 manned Shenzhou 52 SpaceShipOne rocket 52 Massive Ordnance Penetrator 52 Hayabusa spacecraft 52 CryoSat satellite 52 biojet fuel 52 winged spacecraft 52 landing VTOL 52 Solid Rocket Boosters 52 Skynet 5C 52 GE# engines 52 Cargo Launch Vehicle 52 ExoMars mission 52 tilt rotor 52 biojet 52 atmospheric reentry 52 HDAM 52 Nasa spacecraft 52 Chemical Oxygen Iodine 52 STSS Demo 52 Jules Verne ATV 52 tiltrotor 52 reusable suborbital 52 bladed rotor 52 Sanswire TAO 52 flapless 52 UCAV 52 Agni III ballistic missile 52 Solar TErrestrial RElations Observatory 52 gravitational slingshot 52 NextSat 52 inertial guidance 52 Agni III missile 52 Optus D3 52 thrust vector 52 NASA Stardust spacecraft 52 orbiter lander 52 aft skirt 52 Shenzhou V spacecraft 52 APKWS 52 RR# engine 52 supersonic aircraft 52 manned spaceship 52 supercritical fluids 52 Vertical Takeoff 52 MetOp 52 flammable hydrogen 52 combustors 52 P#/P# truss 52 Hawk AJT 52 exhaust plume 52 unmanned airships 51 Geo synchronous 51 Xerus 51 Technology Demonstration JCTD 51 autothrottle 51 cryostat 51 RoboSwift 51 pilot Markus Scherdel 51 LCA Tejas 51 Herti 51 Mars Pathfinder lander 51 unpowered glider 51 Sikorsky X2 51 THAAD interceptors 51 Philae lander 51 Virgin Atlantic GlobalFlyer 51 RQ 4B 51 Pad Abort 1 51 manned suborbital 51 SpaceX Falcon 51 radiometric measurements 51 Airborne Laser ABL 51 Soyuz rocket 51 TanDEM X 51 sun synchronous orbit 51 Thrust SSC 51 O OREOS 51 NIF laser 51 Wallops Island Va. 51 DNA methylation biomarkers Epigenomics 51 propellant loading 51 Ariane 5G 51 Rolls Royce RB# 51 particle beam 51 liquid oxygen LOX 51 Unha 2 51 Dragon spacecraft 51 highly elliptical orbit 51 spacecrafts 51 STPSat 51 Active Electronically Scanned Array 51 ballistic missile Agni 51 HEO payload 51 Eurostar E# platform 51 Valve CSRV 51 MQ 8B 51 parahydrogen 51 Exploration Vehicle CEV 51 Thermal Emission Spectrometer 51 SpaceShipTwo SS2 51 DEPTHX 51 Stardust spacecraft 51 GPS IIR M 51 Ranging spacecraft 51 Laser Avenger 51 Merlin 1C engines 51 GSAT 5P 51 Pete Siebold 51 Kosmos 3M rocket 51 magnetically levitated 51 Shenzhou capsule 51 rocket nozzle 51 HEL TD 51 MixAlco 51 PurePower PW#G 51 New Horizons spacecraft 51 Thruster 51 KillerBee 51 ScanEagle 51 lightweight composites 51 Geared Turbofan TM 51 SMOS mission 51 MQ 8B Fire 51 WhiteKnightTwo carrier 51 MESSENGER MErcury Surface 51 Geared Turbofan engine 51 CTOL 51 piezo actuators 51 Unmanned Combat Air 51 neutron spectrometer 51 IAE V# engines 51 superconducting magnet 51 LEMV 51 Atlas IIAS 51 SpaceShip One 51 suborbital rocket 51 tandem rotor 51 RazakSAT satellite 51 Dream Chaser 51 heaviest payloads 51 Terrafugia Transition 51 NEOSSat 51 AIRSS 51 Altair lunar lander 51 mock warhead 51 HALE UAV 51 radio occultation 51 A1 e tron 51 Rotapower engine 51 HAWK helicopter 51 JSOW C 51 ramjet scramjet 51 deorbiting 51 SaM# engine 51 Ares IX rocket 51 geo synchronous orbit 51 orbiting observatories 51 GE CF# 51 parabolic arcs 51 Required Navigation Performance RNP 51 deorbit burn 51 embeddable workflow 51 turboprop airliner 51 Voyager piloted 51 vertical takeoff 51 Space ENvironment GEochemistry 51 ITER fusion 51 proton particles 51 Worldliner 51 liquefied hydrogen 51 Carbon Dioxide ERC 51 SCUD Single stage 51 Super Kamiokande 51 Airbus A# jetliner 51 Voltec electric 51 robotic lander 51 satellite ASAT 51 SSPTS 51 sub orbital 51 Heron UAV 51 lunar spacecraft Chandrayaan 51 illuminator lasers 51 POWERSTACK tm MC# 50 LRO LCROSS 50 geared turbofan 50 C#J 50 infrared telescope 50 Ghauri missile 50 Falcon 1e 50 Molniya M 50 hypersonic engines 50 meter wingspan 50 thermonuclear fusion 50 INSAT 4CR 50 storable propellants 50 SpaceLoft 50 contra rotating 50 Curiosity rover 50 reusable hypersonic 50 J 2X rocket 50 composite airframe 50 GE CF6 50 oxyfuel combustion 50 Skycar 50 VTOL 50 NFIRE satellite 50 teleoperated 50 Jiaolong 50 PAK FA 50 metal hydride 50 twinjet 50 vectored thrust 50 MSN# 50 femtosecond lasers 50 nanolaser 50 Rolls Royce RB# engines 50 Borroni Bird 50 A#T Hummingbird 50 Geo Synchronous Launch Vehicle 50 unpressurized 50 INSAT 3A 50 Brahmos missile 50 Vehicle UCAV 50 bearingless 50 Trent XWB 50 ballistic missiles cruise missiles 50 GEnx 1B 50 entered lunar orbit 50 Boundary Layer 50 impactor spacecraft 50 Parajet Skycar 50 RISAT 50 Cubesat 50 Williams FJ# 50 HDi diesel engine 50 tactical UAV 50 microgravity environment 50 GOCE 50 CFM# 7B 50 antisatellite weapon 50 #kW electric 50 unpressurized cargo 50 numerical simulation 50 Hywind 50 DART spacecraft 50 micromachine 50 PW#C 50 propellant 50 Orion capsule 50 Messenger spacecraft 50 MPCV 50 particle detector 50 unpowered 50 Rosetta orbiter 50 SDD phase 50 Maglev trains 50 neutron beams 50 Beidou satellite 50 GEnx 2B engine 50 nEUROn 50 femtosecond laser pulses 50 rocket motors 50 FASTSAT 50 Falcon #LX [002] 50 suborbital spaceships 50 GSLV 50 twin engined aircraft 50 #i Coupé 50 hydrazine propellant 50 fission reaction 50 thermobaric weapon 50 quadrillionths 50 #ft wingspan [001] 50 interferometers 50 lunar orbiter 50 remote sensing satellite Resourcesat 50 vertical takeoffs 50 lunar orbit 50 Defense THAAD 50 CATBird 50 interplanetary spacecraft 50 colliding protons 50 Prithvi II 50 Benthic Rover 50 Exploration Vehicle 50 parachutes malfunctioned 50 WhiteKnightTwo mothership 50 Titan IVB 50 RazakSAT 50 Proton Breeze M 50 Sejjil 50 EJ# [001] 50 UCAVs 50 CH #K 50 thruster rockets 50 Taepondong 2 50 ARBS 50 manned spacecraft Shenzhou VI 50 #SP [002] 50 electro optical sensor 50 compressed hydrogen 50 HERTI 50 Manned Maneuvering Unit 50 quantum dot lasers 50 CFM# engine 50 Dyna Soar 50 Convection Rotation 50 LightSail 1 50 Boeing #SP 50 perilune 50 Esrange 50 altitude airship 50 ITER reactor 50 Geosynchronous 50 MQ 1B Predator 50 silicon nanowire 50 STOVL aircraft 50 turboshaft engine 50 SkySat 50 electro optic modulator 50 fusion ignition 50 Brahmos cruise missile 50 intercontinental ballistic missiles ICBMs 50 SUAS 50 Watchkeeper 50 X2 TECHNOLOGY 50 QWIP 50 Unmanned Aerial Vehicle UAV 50 ASTRA 3B 50 Vehicle ATV 50 RENESIS 50 Small Diameter Bomb SDB 50 earth orbiting satellites 50 NROL 50 Martian orbit 50 Jules Verne Automated Transfer 50 Moon Mineralogy Mapper M3 50 astronaut helper 50 throttle levers 50 helium atom 50 Shenzhou IV 50 linac 50 pound GBU 50 planetary Transits 50 Bulava missiles 50 X #B 50 THAAD radar 50 Aegis Weapon System 50 Lunar Rover 50 PW#G engines 50 Breitling Orbiter 50 CubeSats 50 synthetic aperture 50 Atlas Centaur 49 centrifugal compressor 49 EELVs 49 UltraBattery 49 JCSAT 9 49 André Borschberg 49 H IIB 49 geo stationary orbit 49 NPO Energomash 49 Stargazer L 49 VSS Enterprise 49 MALD 49 RQ 7B Shadow 49 unmanned lunar 49 JSOW ER 49 Helios 2B 49 tokamak 49 circular orbit 49 Engine Alliance GP# 49 Viking landers 49 ChemCam 49 suborbital rockets 49 bathyscaphe 49 regeneratively cooled 49 geosynchronous transfer orbit 49 unitary warhead 49 Uninhabited Aerial Vehicle 49 Mars Reconnaissance Orbiter MRO 49 Cassini orbiter 49 particle separator 49 electron accelerators 49 polaritons 49 Orbiter LRO 49 VMS Eve 49 supersonic speeds 49 InSb 49 geosynchronous 49 Impactor 49 Falcon #LX [001] 49 SAR Lupe 49 GEochemistry 49 EFP weapon 49 Laboratory MSL 49 reentry capsule 49 Advanced Tactical 49 static airframe 49 cryocoolers 49 Sounding Rocket 49 suborbital flight 49 X ray spectrometer 49 Autonomous Underwater Vehicle AUV 49 Rolls Royce BR# 49 robotic explorer 49 ASTRA 1L 49 STOVL 49 electrochemical sensor 49 COSMO SkyMed 49 indigenously developed missile 49 Brahmos 49 Martin Jetpack 49 Alphabus 49 millimeter wavelength 49 pneumatic cylinder 49 Shenzhou VIII 49 NASA Ares IX 49 pneumatic valves 49 Vega launcher 49 terahertz frequencies 49 GE# engine 49 geosynchronous satellites 49 BrahMos 49 microgenerator 49 P 8A Poseidon 49 landing CTOL 49 stage Naro rocket 49 Next Generation Jammer 49 circularize 49 jet propulsion 49 turbojet powered 49 GEnx 49 Rockot launcher 49 AIM 9X 49 Boeing #-# freighter 49 Phobos Grunt 49 Ariane launcher 49 THEL 49 TacSat 49 magnetron 49 Honeywell TFE# 49 manned spacecraft 49 manned lunar 49 vehicle PSLV C# 49 X ray pulses 49 SpaceShipOne 49 railgun 49 PSLV C8 49 autonomous rendezvous 49 astronauts Jing Haipeng 49 Observatory SDO 49 propulsion subsystem 49 Ballistic missiles 49 JCSAT 49 Alpha Particle 49 Bloodhound SSC 49 long endurance HALE 49 Mobion 49 aeroelastic 49 nitrogen tetroxide 49 commercial spaceline 49 Glonass K 49 Micro Aerial Vehicles 49 thermonuclear bombs 49 GLAST spacecraft 49 D CIXS 49 GP# engine 49 seat ARJ# 49 Falcon Hypersonic Technology 49 F# propulsion system 49 ultrashort pulses 49 CTS# [002] 49 irregularly shaped asteroid 49 SBIRS GEO 49 Stratellite 49 NPO Lavochkin 49 mooring mast 49 neutrino detectors 49 NIRSpec 49 SSETI Express 49 AMRAAM 49 Space Shuttle Orbiter 49 orbit GTO 49 CubeSat 49 Recovery Experiment SRE 49 WGS satellite 49 Satellites GOES 49 Tactical Laser 49 MP RTIP 49 orbital maneuvers 49 EA #G aircraft 49 Landing CTOL 49 System OBSS 49 USVs 49 inertial confinement fusion 49 ballistic missile interceptor 49 Arabsat 5A 49 SumbandilaSat 49 tilt rotor Osprey 49 SpaceDev Dream Chaser 49 Synthetic Aperture Radar 49 Launch Vehicle 49 Cassini Huygens 49 turbofan powered 49 thermodynamic equilibrium 49 matter antimatter annihilation 49 CH #K heavy 49 payload 49 radioisotope thermoelectric generators 49 Submarine Launched 49 DF #D 49 Hypersonics 49 superconducting cavities 49 inlet duct 49 cooled EGR 49 conventional warhead 49 Versatile Affordable 49 Unmanned Ground Vehicle 49 A# MSN# 49 Breeze KM 49 Tech Insertion 49 flux vector 49 VHESC 49 MotionPower ™ technologies 49 Talarion 49 Vigilare 49 unmanned probes 49 EPOCh 49 SUAV 49 Helios Prototype 49 Undocking 49 Sonic Cruiser 49 Chandrayaan II 49 De Havilland Comet 49 airfoils 49 microshutters 49 spacecraft Shenzhou 49 inertially 49 MISSE 49 Orbital Taurus II 49 XTAR EUR satellite 49 Hayabusa probe 49 lunar orbiter Chandrayaan 49 SpaceShipOne prototype 49 photon beam 49 MetOp satellite 49 closest flyby 49 ALTB 49 Interior Laboratory GRAIL 49 indigenous Kaveri 49 Hatf VI missile 49 supersonic speed 49 chilled ammonia 49 Bulava ballistic missile 49 geo synchronous satellite 49 -# degrees centigrade [001] 49 Glonass navigation satellites 49 compressed gaseous hydrogen 49 ETV Motors 49 Orbital Pegasus 49 neutron beam 49 trainer AJT 49 exo atmosphere 49 precision munition 49 unmanned airship 49 PGM FI 48 incoming ballistic missiles 48 ULA Atlas 48 Orion Crew 48 Aveo CNG 48 radial piston 48 X#B 48 NASA THEMIS 48 rechargeable lithium sulfur 48 electrothermal 48 interstage 48 EuroHawk 48 specially instrumented 48 NASA vomit comet 48 spacecraft thrusters 48 supersonic jet trainer 48 lithium phosphate batteries 48 ATV Johannes Kepler 48 General Electric GE# 48 Fundamental Aeronautics Program 48 electrochemical reaction 48 turboshaft engines 48 Minotaur IV rocket