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(Click for frequent words.) 63 J 2X 60 Merlin 1C 59 J 2X engine 57 GE Honda HF# 56 PW#A 56 J 2X rocket 56 SaM# 56 GPS IIF 55 Minotaur IV 55 Trent XWB 55 Atlas 2AS 55 PurePower TM 54 AE #A# 54 RL#B 2 54 Solid Rocket Boosters 54 turbopumps 54 SSMEs 54 PW#G engine 54 Williams FJ# 53 AJ# engine 53 STOVL propulsion system 53 RL# engine 53 PurePower engine 53 GE CF# 53 Orbital Taurus 53 STOVL mode 53 NASA Ares IX 52 scramjet engine 52 FADEC equipped 52 Orbital Express 52 Canada PW#A engines 52 PW#C 52 ion propulsion 52 turbopump 52 LTS# 52 thruster 52 HyFly 52 Fregat upper stage 52 Atlas IIAS 52 Atlantis STS 52 Pete Siebold 52 PW#G 52 Geared Turbofan engine 52 & Whitney Rocketdyne 52 indigenous cryogenic engine 52 Whitney Rocketdyne 51 xenon ion 51 cryogenic engine 51 RSRMs 51 GE CF6 #C# 51 Pegasus XL 51 GEnx engine 51 Geared Turbofan 51 vernier engines 51 JT8D 51 GEnx 51 Advantage# 51 Engine Alliance GP# 51 IAE V# engines 51 EJ# [001] 51 shipset 51 Honeywell TFE# 50 geared turbofan engines 50 PurePower PW#G 50 Discovery STS 50 director Chuck Dovale 50 Crew Launch Vehicle 50 PSLV rocket 50 Turbomeca Arriel 50 Merlin 1C engines 50 SpaceX Falcon 9 50 GP# [003] 50 Advantage# TM 50 P#/P# truss 50 UCAS D 50 Mo Yahyavi vice 50 APKWS 50 GPS IIR M 50 Rolls Royce Merlin 50 supersonic combustion 50 CH #K 50 lbf thrust 50 APKWS II 50 JT9D 50 JAGM 50 F# engine 50 Zenit 3SL 50 GPS IIR 50 EMALS 50 STOVL F 50 Variable Specific 50 GSLV Mk III 49 Launch Abort System 49 indigenous cryogenic stage 49 PSLV C9 49 STOVL 49 GE# engines 49 Proton Breeze M 49 Pad Abort 1 49 Ares IX 49 CFM# engines 49 indigenously developed cryogenic 49 F# Engine 49 liquid propellant 49 Kaveri engine 49 General Electric GEnx 49 Valve CSRV 49 RD AMROSS RD 49 GEnx 1B 49 Rolls Royce BR# 49 turboshaft engine 49 GSLV D3 49 Paveway II 49 geared turbofan 49 turbofan 49 SpaceLoft XL 49 Citation CJ4 49 CH #K helicopter 49 turboshaft engines 49 GE# #B 48 F# propulsion system 48 E 8C 48 GLAST spacecraft 48 Electric Propulsion 48 turbofans 48 SSME 48 Tech Insertion 48 PT6A 48 bipropellant 48 CTOL 48 ULA Atlas 48 Proba 2 48 Propulsion System 48 Whitney F# 48 HTF# 48 PW# engine [001] 48 STP S# 48 electric ion propulsion 48 Rolls Royce Trent XWB 48 lb.-ft. torque 48 Reusable Solid Rocket 48 & Whitney F# 48 General Electric CF6 48 AEHF satellite 48 EA #G aircraft 48 PT6 engine 48 solid propellant 48 solid rocket boosters 47 Hyper X 47 Rolls Royce RB# 47 Centaur upper 47 STOVL aircraft 47 Geared Turbofan TM 47 liquid propellants 47 GE# engine 47 Ariane 5G 47 RD AMROSS 47 countdown dress rehearsal 47 AARGM 47 turbofan jet 47 3rd SOPS 47 ramjet propulsion 47 indigenous cryogenic 47 PW#F 47 AESA 47 ULA Delta 47 propulsion 47 CFM# 7B 47 SBIRS GEO 47 CF6 engines 47 PW# engines [002] 47 DART spacecraft 47 GIOVE B 47 SDD phase 47 Block 5D 47 CFM# 5B 47 RERP 47 M-TADS/PNVS 47 turbofan engine 47 Ares I. 47 #,#-#,# lb 47 JHMCS 47 Minotaur rocket 47 II D5 Fleet 47 ZA# 47 Cygnus spacecraft 47 S6 truss segment 47 C 5M 47 CTS# [002] 47 H IIB 47 turbojet engine 47 Jules Verne ATV 47 Satellite Launch Vehicle GSLV 47 THAAD Weapon System 47 Fregat 47 ISX# 47 Initial Production LRIP 47 Taurus XL 47 Goodrich Sensors 47 airframe 47 External Tank 47 Orbital Maneuvering System 47 GOES O 47 scramjet 46 MALD J 46 turbojet engines 46 PSLV C# 46 orbital maneuvering 46 twinjet 46 CF6 #C# 46 EZ Rocket 46 STOVL variant 46 SBIRS HEO 46 AME UAS 46 Pilot Terry Virts 46 Space Shuttle Endeavour STS 46 Atlas V 46 tiltrotor aircraft 46 autonomous aerial refueling 46 Laser COIL 46 VIIRS 46 BAMS UAS 46 H IIA 46 ASTRA 1L 46 EASy 46 Watchkeeper 46 drogue parachute 46 Titan IVB 46 Scramjet 46 A#T 46 Air Missile AMRAAM 46 HTS# [002] 46 Relative Navigation 46 CJ2 + 46 airframe avionics 46 Vertical Takeoff 46 orbiter 46 JT#D 46 fairing separation 46 HEO payload 46 Booster Separation 46 Williams FJ# 3AP 46 PW#G Engine 46 Orion Crew 46 shp 46 GE# #B engine 46 UEWR 46 AESA radar 46 GPS 2R 46 lbf 46 Turbomeca engines 46 X #A 46 hypersonic scramjet 46 Technology Demonstrator 46 PW#G engines 46 Falcon 1e 46 Trent XWB engine 46 regeneratively cooled 46 Ares IX rocket 46 #kt #km h 46 AE #C# 46 Endeavour STS 46 DMSP F 46 Ford Duratec 46 spacecraft 45 F# PW 45 aircraft MSN# 45 Wideband Global 45 turbojets 45 Vertical Landing STOVL 45 GP# engine 45 turboshaft 45 SpaceX Falcon 45 embeddable workflow 45 Trent #EP 45 General Electric GE# 45 twin screw supercharger 45 turbofan engines 45 #L# [002] 45 Webb Telescope 45 Max Launch Abort 45 propellant loading 45 Launch Vehicle 45 RL# [001] 45 PW# [002] 45 CF6 45 & Whitney PurePower 45 Vehicle OBV 45 nitrogen tetroxide 45 scramjet engines 45 CFM# engine 45 Pilot George Zamka 45 Kibo JPM JEM Pressurized 45 Kill Weapon 45 Intermediate Range Ballistic 45 B#NG 45 SBSS satellite 45 RadMax R 45 spaceplane 45 MetOp 45 RENESIS 45 thrust vector 45 Beechjet #A/XP 45 MH #S helicopter 45 starboard truss segment 45 L5 signal 45 Testastretta 45 Ariane 5 45 GP# engines 45 Tactical Tomahawk 45 VASIMR 45 Mirabel Aerospace Centre 45 Zenit 3SL rocket 45 SDACS 45 Skynet 5C 45 Atlas Centaur 45 TFE# 45 HMS Daring 45 ELM PS 45 GEnx 2B engine 45 ARCTUS 45 Bulava submarine launched 45 Orbital Boost 45 X #A WaveRider 45 Soloy 45 aft skirt 45 KSLV 1 45 Virtus Plus 45 solid propellants 45 optionally piloted 45 GSAT 5P 45 LITENING 45 Rockot 45 TPE# 45 WheelTug 45 Orion CEV 45 Small Diameter Bomb 45 breathing scramjet engine 45 Scaled Composites SpaceShipOne 45 Lycoming IO 45 CFM# 7B engines 45 #V#GL + 45 MetOp satellite 45 LEAP X1C 45 combustor 45 Lunar Module 45 Bulava missile 45 GPS IIF satellite 45 GOES N 45 STSS satellites 45 TDRSS 45 C#R [002] 45 C #A Globemaster 45 Arrius #B# 45 Spectra Shield 45 Commander Charlie Hobaugh 45 AIM 9X 45 Pad #B 45 Falcon #LX [001] 44 II D5 44 spy satellites malfunctioned 44 Orbital Taurus II 44 NASA Wallops 44 autonomous rendezvous 44 Aerojet 44 Nextant 44 Honda i VTEC 44 D5 missile 44 WK2 44 ECO sensors 44 Launch Scrubbed 44 WhiteKnightTwo mothership 44 Solid Rocket 44 afterburning 44 APS# APU 44 RSRM 44 Reusable Launch Vehicle 44 tiltrotor 44 avionic systems 44 Orion Launch Abort 44 GE CF6 44 Arrius 44 JASSM ER 44 HC #J 44 Thrusters 44 GPS IIF satellites 44 Hypersonic Flight 44 NROL 44 liquid oxygen 44 MSN# 44 COSMO SkyMed 44 thrusters 44 ion thruster 44 #th FLTS 44 NCADE 44 Aegis BMD 44 GEnx engines 44 HALE UAV 44 engines 44 Reliability Enhancement 44 Servicing Mission 44 Anti Submarine Warfare ASW 44 PW#F engine 44 F/A-#E/F 44 TJ# [001] 44 Honda Aero Engines 44 Alex Priskos 44 volumetric efficiency 44 Boeing #SP 44 LRIP 44 Orbital Pegasus 44 LRO LCROSS 44 specialists Lisa Nowak 44 hypersonic speeds 44 GMLRS 44 Foton spacecraft 44 NFIRE 44 AMRAAM 44 CitationJet 44 illuminator lasers 44 UH 1N 44 EH# [001] 44 KSLV 44 THAAD interceptors 44 Landing CTOL 44 payload fairing 44 Dragon spacecraft 44 AS# NP 44 G ATOR 44 INSAT 3D 44 orbiter Atlantis 44 Soyuz Fregat rocket 44 supersonic combustion ramjet 44 F #B STOVL 44 Orion spacecraft 44 PW# [001] 44 Kosmos 3M 44 AS#B# 44 #bar [002] 44 Whitney PT6A 44 Heron UAV 44 Tactical Laser 44 AS# B3 44 Skripochka 44 MQ 8B Fire 44 Leonardo Permanent Multipurpose 44 Trishul missile 44 Taurus XL rocket 44 Fire Scout VTUAV 44 Submarine Launched 44 SpaceX Dragon 44 WGS satellite 43 Joel Sitz 43 Breeze KM 43 LibertyWorks 43 Landing Tactical Unmanned 43 Wallops Island Va. 43 GSLV 43 ST5 43 Space Shuttle STS 43 Satellite GOSAT 43 GSLV D3 rocket 43 LiftFan 43 shuttle Endeavour STS 43 Commander George Zamka 43 A# MRTT 43 PACCAR PX 6 43 STSS Demo 43 Aegis Weapon System 43 UH #J 43 specialists Scott Parazynski 43 CF6 engine 43 A# #F 43 Blackswift 43 Littoral Combat Ship LCS 43 propellant 43 Vandenberg AFB Calif. 43 Geosynchronous Satellite Launch Vehicle 43 eCore 43 JSOW C 43 Space Launch Vehicle 43 Globalstar satellites 43 Tomahawk Block 43 JCSAT 9 43 ALMDS 43 payload 43 geared turbofan engine 43 Thruster 43 breathing supersonic combustion 43 PurePower engines 43 propellant tanks 43 expendable Atlas 43 Duramax #.#L turbo diesel 43 Unit APU 43 thrust vectoring 43 P 8A 43 GEAE 43 coastal Naro 43 SLC 3E 43 WGS satellites 43 PAPR 43 Orbital Sciences Taurus 43 Terrier Orion 43 Unmanned Combat Air 43 PW# engines [001] 43 WGS Block 43 vectored thrust 43 ARES IX 43 Raytheon IDS 43 Bombardier CRJ# jets 43 3DELRR 43 CF# #E 43 communication satellite GSAT 43 ATK 43 LISA Pathfinder 43 somersaulting maneuver 43 #NG 43 HybriDrive ® 43 Port Fuel Injection 43 engine 43 kg payload 43 WhiteKnightTwo carrier 43 ramjet 43 NuSTAR 43 Flight Readiness 43 Molniya M 43 Cleon Lacefield Lockheed Martin 43 uncrewed 43 unpressurized cargo 43 GSLV rocket 43 mothership WhiteKnightTwo 43 O. Hobaugh 43 SUAS 43 GSLV F# 43 PSLV 43 HF# engine 43 ion thrusters 43 Minotaur IV rocket 43 RadMax ® 43 GOCE 43 RQ 4B 43 Russian Elektron oxygen 43 Taepodong ballistic missile 43 Citation CJ1 + 43 JCTD 43 JHPSSL 43 orbital maneuvers 43 Hubble gyroscopes 43 STS 43 aerial refueling 43 propulsion subsystem 43 Alliance Successfully Launches 43 AHRS 43 modules actuators 43 SBIRS 43 hypersonic flight 43 centrifugal compressor 43 rocket nozzle 43 ATACMS 43 Nacelle 43 Vulcain 43 EELV 43 BSMs 43 rocket motors 43 Alexander Samokutyayev 43 Boeing #-# freighter 43 Scott Fancher 43 NPO Energomash 43 Roman Romanenko 43 EJ# engine 43 Rand Cam 43 CCDev 43 ECO sensor 43 STANDARD Missile 43 LMCSS 43 Main Engine SSME 43 #EX [002] 43 SSPTS 43 Scout Vertical Takeoff 42 P 8As 42 ASTRA 3B 42 maxon 42 Wärtsilä #DF dual 42 Optus D3 42 Phalanx CIWS 42 reciprocating piston 42 THAAD interceptor 42 Laser JDAM 42 Thermal Weapon Sights 42 Joint STARS 42 Titan 4B 42 Phalanx Block 1B 42 CF# #A 42 SMOS 42 parachutes malfunctioned 42 MSG Microgravity Science Glovebox 42 Advanced Capability 42 DA# NG 42 unpowered glide 42 J UCAS 42 Falcon #EX [002] 42 Starstreak 42 MTOW 42 exoatmospheric kill vehicle 42 piston engine 42 VSS Enterprise 42 Thermal Protection 42 shuttle Endeavor 42 & Whitney PW# 42 Ares IY 42 9FB 42 engine nacelle 42 Foton M2 42 ATIRCM 42 Agni III 42 bi propellant 42 Canada PW#C engines 42 ATACMS missiles 42 lunar spacecraft 42 PurePower 42 SolarEagle 42 INSAT 4CR 42 Swales Aerospace 42 lunar orbiter Chandrayaan 42 ARBS 42 GE# #B engines 42 SRBs 42 actuation systems 42 LEOP 42 Falcon #DX [002] 42 Geo Synchronous Launch Vehicle 42 DC1 Docking Compartment 42 SpaceShip Two 42 RTSC 42 MC #J 42 Permanent Multipurpose Module PMM 42 PSLV C7 42 AE #D# engines 42 Jupiter Icy Moons 42 Aegis Weapon Systems 42 EKV 42 Phalanx Close 42 Main Engines SSMEs 42 Aerosonde 42 INSAT 4C 42 GE CF6 engines 42 igniter 42 liter Turbo Diesel 42 HEO payloads 42 YES2 42 LEAP X1C engine 42 STUAS 42 ballscrews 42 Gas Turbine 42 KC #J 42 CRJ# NextGen aircraft [002] 42 Launch Pad #B 42 centrifugal compressors 42 Sniper XR 42 torque multiplication 42 Commander Rick Sturckow 42 HEL TD 42 C 5Ms 42 Hamilton Sundstrand APS 42 PW#B 42 X #A Waverider 42 turbojet 42 orbital insertion 42 airborne refueling 42 Aegis Combat 42 MP RTIP 42 Interior Laboratory GRAIL 42 Soyuz FG 42 ScanEagle unmanned aircraft 42 F/A-#E/F aircraft 42 spacecraft SpaceShipTwo 42 #/#-ton truss 42 tactical UAV 42 Missile Segment 42 Eurocopter Dauphin 42 PowerPhase ® 42 DMSP F# 42 graphite epoxy 42 SEWIP Block 42 orbit insertion 42 AN/TPY-2 42 Briz M upper 42 shuttle Discovery 42 P 8A MMA 42 EASA certification 42 Starsem 42 manned Soyuz 42 QSK# 42 Kourou French Guyana 42 #x# Seg SRB 42 Eurostar E# 42 #SP [002] 42 CROWS II 42 Chemical Oxygen Iodine 42 PowerJet 42 AW# helicopter 42 drogue 42 E'Prime 42 Maintenix 42 pusher propeller 42 A# Freighter 42 Hubble Servicing 42 satellite Giove 42 Thales avionics 42 Solar Sail 42 BSAT 3a 42 Laser Guided Bomb 42 hydrogen rotary 42 SSJ# 42 Propulsion Directorate 41 GE Jenbacher gas 41 powerpack 41 Ion propulsion 41 Bombardier CSeries aircraft 41 NAVAIR 41 C #J aircraft 41 Viper Strike 41 Space Propulsion 41 tilt rotor 41 ASTRA 1KR 41 NM spaceport 41 Advanced EHF 41 shuttle Discovery STS 41 xenon propellant 41 Long EZ homebuilt 41 CF6 #A 41 P5 truss 41 Orion Propulsion 41 sealless 41 AS# Certification 41 Samokutyayev 41 Bob Ess 41 STUAS Tier II 41 stilt walker Laliberte 41 supercold liquid oxygen 41 Aerojet propulsion 41 STC'd 41 vertical takeoff 41 Jules Verne Automated Transfer 41 GPS OCX 41 Chinasat 6B 41 Evolved Expendable Launch Vehicle 41 Airbus A#XWB aircraft 41 front mount intercooler 41 cutoff ECO 41 AEHF 41 ramjet engine 41 Systems NEX AIQ.H 41 Weapon System 41 HPGS 41 Boeing P 8A 41 Cargo Launch Vehicle 41 Suite VIIRS 41 Astrotech payload processing 41 Altair lunar lander 41 AeroTech 41 Taepo Dong 41 Space Shuttle 41 Airborne Laser Testbed 41 Joint Standoff Weapon 41 MC #P 41 midcourse phase 41 AIM 9X Block 41 interstage 41 NLOS Cannon 41 kinetic warhead 41 Divine Vessel 41 ECA launcher 41 CF# engines 41 CH #D 41 Airborne Laser 41 George Zamka 41 propellants 41 Educator Astronaut 41 interplanetary missions 41 STORRM 41 cryocooler 41 Microturbo 41 ILS Proton 41 SpaceLoft 41 Agni missile 41 astronauts Gus Grissom 41 Smiths Aerospace 41 MPLM 41 hypersonic glider 41 Vega launcher 41 Prithvi II 41 DAGR 41 liquid hydrogen LH2 41 Aero Sekur 41 Satellite Launch Vehicle 41 Curon Control 41 GPS IIR satellites 41 SpaceshipTwo 41 composite payload fairing 41 Shenzhou VIII 41 changeout 41 CRJ# [002] 41 THAAD 41 composite airframe 41 hypergolic 41 Delays Space Shuttle 41 suborbital sounding 41 Contractor Logistics 41 Solid Rocket Booster 41 Rotorcraft 41 #kW [002] 41 retrorockets 41 Highly Adaptable Satellite 41 Agni III missile 41 Dynamic Positioning 41 Rocketplane XP 41 SELENE probe 41 ARGUS IR 41 Oleg Ivanovsky 41 JSOW 41 liquid apogee 41 Vehicle GSLV 41 CFM# 5A 41 Aegis destroyer 41 CAMCOPTER ® S 41 #NXT 41 Electronic Sequential 41 Ares Projects 41 Paccar MX 41 Apstar 41 Defense THAAD 41 Raytheon Paveway 41 intratheater airlift 41 Launch Vehicle EELV 41 reboost 41 Commander Dick Scobee 41 cryogenic engines 41 AIM #C# 41 Airframes 41 GSLV D2 41 Astronauts Arrive 41 Aerojet Propulsion 41 shuttle Atlantis STS 41 orbital rendezvous 41 Shuttle Endeavour 41 Boeing Expendable Launch 41 Propulsion 41 Stephanie Stilson NASA 41 self priming centrifugal 41 Electromagnetic Aircraft 41 VELO cycle ergometer 41 crawler transporter 41 Block IIF 41 Agni II 41 liftoff 41 supercruise 41 Aegis Ballistic Missile Defense 41 PACCAR MX engine 41 NYSE GY 41 Nexcelle 41 HIMARS 41 AEHF satellites 41 paveway II Plus 41 lunar explorer 41 DFC# [001] 41 HLV 41 monomethyl hydrazine 41 radioisotope thermoelectric generator 41 Citation Encore 41 Shuttle Atlantis blasts 41 Globalstar constellation 41 deorbit burn 41 CDR SO 41 gaseous hydrogen 41 liquid hydrogen 41 SpaceShipTwo SS2 41 PSLV C# rocket 41 Verderflex 41 #-# Freighter [002] 41 Dhanush missile 41 UH #M Upgrade 41 Bulava intercontinental missile 41 cryogenic propellants 40 radial piston 40 Sounding Rocket 40 tractive effort 40 V# A5 40 Autonomous Rendezvous Technology 40 GPS Block IIR 40 Shuttle astronauts 40 Mercury Redstone 40 AEHF spacecraft 40 heaviest payloads 40 Canada PT6A 40 maneuvering thrusters 40 Longbow Apache 40 variable camshaft timing 40 hydraulic pump 40 Unmanned Aerial System 40 System MUOS 40 SelectOne 40 tailboom 40 DuraCOR 40 PSLV C6 40 TP# [002] 40 Falcon #EX [001] 40 Unha 2 40 BrahMos cruise missile 40 Saturn V 40 Vertical Landing 40 E/A-#G aircraft 40 Soyuz launcher 40 MALD 40 MPCV 40 THAAD radar 40 Pressurization 40 Small Diameter Bomb SDB 40 sequential turbocharger 40 Missile IRBM 40 twin turbofan 40 BMC2 40 orbital velocity 40 interceptor 40 demonstration SDD 40 aero derivative 40 F/A-# fighter jets 40 HydroCell ™ 40 spacecraft Shenzhou 40 Lunar Module Pilot 40 Next Generation Jammer 40 JCSAT 40 Dreamliner jet 40 ICO G1 40 Amphibious Assault Ship 40 pumps ammonia coolant 40 SLEP 40 Rokot 40 #KW [002] 40 booster rockets 40 centrifugal pumps 40 AFIRS 40 Vehicle CEV 40 Test Vehicle OTV 40 Aegis Cruisers 40 AIRSS 40 Ares rocket 40 astronaut Rick Sturckow 40 FD# [002] 40 electromagnetic railgun 40 monopropellant 40 shuttle orbiter 40 ASTRA 1M 40 propellent 40 JASSM 40 UV Visible 40 ScanEagle 40 cryocoolers 40 repressurization 40 cryogenic liquid 40 Laboratory MSL 40 supersonic cruise 40 Bulava ballistic missile 40 CALIPSO 40 Honeywell TPE# 40 Dmitri Kondratyev 40 Northrop Grumman KC 40 Sikorsky CH #K 40 rocket booster 40 ASTRA 1N 40 Northrop Grumman Awarded Contract 40 Orbiter Processing Facility OPF 40 Mk# [002] 40 Paveway IV 40 Galileo satellites 40 TUAV 40 KC #R 40 Earth Observation Satellite 40 Versatile Affordable 40 Seasonic X 40 thruster rockets 40 C#J 40 RQ 4N 40 Oxygen Generator 40 Ground Based Midcourse 40 Orlan spacesuit 40 STSS 40 SATCOM Satellite 40 GUCP 40 inertial guidance 40 avionics 40 twin turbocharger 40 #kW electric 40 SLAM ER 40 HIAPER 40 commander Pam Melroy 40 NASA MSFC 40 electric propulsion 40 combustors