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(Click for frequent words.) 66 sub orbital 64 spaceflight 63 Richard Branson Virgin Galactic 63 suborbital flights 63 sub orbital spaceflight 61 suborbital spacecraft 61 reusable spacecraft 60 reusable suborbital 60 spaceliner 60 suborbital 60 Suborbital 59 manned suborbital 59 SpaceShip One 59 Ansari X PRIZE 59 Kliper 59 Virgin Galactic unveils 58 circumlunar 58 WhiteKnight Two 58 Peter Diamandis founder 58 suborbital flight 58 suborbital space 58 spacecraft SpaceShipTwo 58 spaceflights 58 suborbital spaceflights 57 suborbital spaceship 57 suborbital spaceships 57 Rocketplane XP 57 Jeff Greason 57 Lunar Lander Challenge 57 Virgin Galactic 56 spaceports 56 reusable manned spacecraft 56 CEO Jeff Greason 56 Rutan SpaceShipOne 56 orbital spaceflight 56 Mojave Spaceport 56 Jupiter Icy Moons Orbiter 56 SpaceshipTwo 55 SpaceShipTwo SS2 55 SpaceX 55 Dream Chaser 55 XCOR Aerospace 55 Ansari X 55 hypersonic flight 55 X Prize 54 Excalibur Almaz 54 commercial spaceline 54 spaceline 54 Virgin Galactic suborbital 54 SpaceX Dragon 54 Jupiter Icy Moons 53 Rocketplane Ltd. 53 Peter Diamandis 53 manned lunar missions 53 BepiColombo 53 SpaceLoft XL 53 hypersonic missiles 53 Rocketplane 53 EZ Rocket 53 Northrop Grumman Lunar Lander 53 Commercial Spaceflight Federation 52 X PRIZE 52 Orbital Space 52 XCOR 52 lunar landers 52 Burt Rutan SpaceShipOne 52 manned spacecraft 52 human spaceflight 52 SpaceShipOne 52 Gedmark 52 spacecraft 52 Starchaser 52 Xerus 52 ferrying astronauts 52 scramjets 52 LightSail 1 52 Space Adventures 52 SpaceDev 52 Bigelow Aerospace 52 CHIPSat 52 Virgin Galactic SpaceShipTwo 52 manned orbital 51 crewed spacecraft 51 manned spaceship 51 DragonLab 51 Martin Jetpack 51 Interorbital Systems 51 Virgin Galactic spaceline 51 SpaceDev Dream Chaser 51 Centennial Challenges 51 interplanetary missions 51 commercial spaceflights 51 crewed missions 51 lunar missions 51 CubeSat 51 Masten Space Systems 51 SpaceX Falcon 9 51 Peter H. Diamandis 51 XPrize 51 suborbital rockets 51 SpaceX Dragon capsule 51 uncrewed 51 NewSpace 51 MirCorp 50 NASA 50 Zero Gravity Corporation 50 rocketry 50 nanosatellites 50 dexterous robot 50 aboard SpaceShipTwo 50 hypersonic glider 50 Scaled Composites 50 commercial spaceliner 50 scramjet engines 50 ARCTUS 50 entrepreneur Elon Musk 50 pioneer Burt Rutan 50 Burt Rutan Scaled Composites 50 manned spaceflight 50 SpaceShip Two 50 manned spaceflights 50 suborbital reusable launch 50 Astrobotic 50 FASTSAT 49 Air Force Evolved Expendable 49 spaceships 49 Elon Musk SpaceX 49 Virgin Galactic Branson 49 www.xprize.org 49 Falcon 1e 49 Minotaur IV 49 Orbital Taurus II 49 suborbital rocket 49 Orion capsule 49 Perminov 49 Vehicle CEV 49 Dennis Tito 49 Armadillo Aerospace 49 businesswoman Anousheh Ansari 49 Soyuz TMA spacecraft 49 orbital rendezvous 49 lunar exploration 49 Shuttle Launch Experience 49 Virgin Galactic spaceship 49 Reusable Launch Vehicle 49 Peter Diamandis chairman 49 heliophysics 49 astronautical 49 Foton M2 49 Lunar X PRIZE 49 ISS resupply 49 manned lunar 49 NASTAR SM Center 48 John Gedmark 48 experimental payloads 48 exuberant Elon Musk 48 Altair lunar lander 48 unmanned probes 48 roadable aircraft 48 Mojave Aerospace 48 Orteig Prize 48 ZERO G 48 spaceplane 48 Landeene 48 STSS Demo 48 Dominic Gorie 48 manned Soyuz 48 engineer Burt Rutan 48 Virgin Galactic spaceliner 48 Orion Ares 48 Orion Crew 48 Robert Hoot Gibson 48 EELVs 48 Virgin Galactic Richard Branson 48 Ares rocket 48 Crew Exploration 48 Shenzhou manned 48 spaceship 48 Infrared Astronomy SOFIA 48 Clervoy 48 unpiloted 48 Ron Grabe Orbital 48 astronaut 48 Xcor 48 Pilot George Zamka 48 SpaceShipOne rocket 48 UP Aerospace 48 Orbital Express 48 SpaceShipOne designer 48 Sirangelo 48 Concorde supersonic 48 Dyna Soar 48 Zero Gravity Corp. 48 spaceport 48 NASA Stratospheric Observatory 48 Rutan 48 Cygnus spacecraft 48 Weightless Wonder 47 SwRI 47 director Steve Landeene 47 Burt Rutan 47 A# spacecraft 47 Astronauts inspect 47 spaceflight participant 47 Educator Astronaut 47 lunar landings 47 Novespace 47 XCOR Lynx 47 spacecrafts 47 NanoRacks 47 spokesman Michael Braukus 47 MetOp satellite 47 Konstantin Feoktistov 47 manned missions 47 WhiteKnightTwo WK2 47 spaceflyers 47 JIMO 47 director Gene Kranz 47 Personal Spaceflight Federation 47 NASAs 47 VSS Enterprise 47 Technologies SpaceX 47 Gemini Apollo 47 SpaceLoft 47 Canadarms 47 robotic spacecraft 47 Spaceport America 47 WK2 47 ANSARI X PRIZE 47 entire Milstar constellation 47 X #A WaveRider 47 SpaceLoft XL rocket 47 Lopota 47 Cosmonaut Yuri Gagarin 47 BepiColombo mission 47 director Chuck Dovale 47 Richard Gilbrech 47 KSC Visitor Complex 47 Diamandis 47 Anousheh Ansari 47 Constellation Ares 46 WhiteKnightTwo mothership 46 Dragon capsule 46 Soyuz spaceship 46 spacelift 46 Starfighters 46 X #B Orbital 46 Commercial Spaceflight 46 Russian cosmonaut Yuri Gagarin 46 William Gerstenmaier 46 CAPE CANAVERAL Astronauts 46 OSIRIS Rex 46 spaceport anchor tenant 46 Scaled Composites SpaceShipOne 46 spokesman Barron Beneski 46 high altitude airship 46 Jon Karkow 46 CubeSats 46 Norm Thagard 46 NAVSTAR Global Positioning System 46 legend Burt Rutan 46 Roskosmos 46 aboard Skylab 46 winged spaceships 46 Minotaur rocket 46 venerable Soyuz rocket 46 planetary explorations 46 rocketeers 46 robotic explorers 46 tailbooms extending rearward 46 NuSTAR 46 Earth orbit 46 Spaceward Foundation 46 NASA Centennial Challenges 46 aboard Soyuz spacecraft 46 rocketships 46 Earth orbit LEO 46 Geoff Sheerin 46 Rocketplane Kistler 46 Sally Ride 46 NCADE 46 heavier payloads 46 Byron Lichtenberg 46 SpaceX Falcon 46 spaceflyer 46 Shenzhou spacecraft 46 GlobalFlyer designer 46 shuttle Endeavour STS 46 Scramjets 46 NPO Lavochkin 46 Spacehab 46 hypersonic speeds 46 Rocketplane Global 46 Konrad Dannenberg 46 Blackswift 46 engineer Timothy Kopra 46 Nasa 46 shuttle Endeavor 46 WGS satellite 46 weightlessness 46 Thales Alenia 46 Judy Resnik 46 agency Roskosmos 46 VASIMR 46 Galactic Suite 46 Minotaur IV rocket 46 HyFly 46 Mike Melvill 46 SpaceShipTwo spacecraft 46 manned spaceships 46 dummy payload 46 space shuttle 45 Soyuz rockets 45 interplanetary spacecraft 45 CCDev 45 space 45 Pete Siebold 45 Spaceport 45 hypersonic scramjet 45 payloads 45 autonomous rendezvous 45 Orion spacecraft 45 Soyuz rocket 45 Shuttle astronaut 45 SCISAT 45 spokesman Igor Panarin 45 Daniel Sacotte ESA 45 Atlantis Undocks From 45 Yuri Koptev 45 Space 45 Gregg Maryniak 45 maverick Burt Rutan 45 planetary exploration 45 robotic rovers 45 Dan Durda 45 WGS satellites 45 Esrange 45 Xcor Aerospace 45 OSIRIS REx 45 PlanetSpace 45 vessel VSS Enterprise 45 Ariane rocket 45 hypersonic 45 X PRIZE CUP 45 Yury Gagarin 45 Rosaviakosmos 45 unmanned lunar 45 VTOL aircraft 45 Sevastyanov 45 Allard Beutel NASA 45 ion propulsion 45 Manned Spacecraft Center 45 HEO payload 45 Space Exploration 45 Apollo Soyuz 45 High Altitude Airship 45 NASA Wallops 45 reusable hypersonic 45 supersonic 45 NASA astronaut 45 Laboratory MSL 45 SolarEagle 45 AirLaunch 45 NASTAR Center 45 extravehicular mobility units 45 Norman Thagard 45 shuttle Atlantis STS 45 inland spaceport 45 commander moonwalker 45 Bob Ess 45 cosmonautics 45 astronauts Nicole Stott 45 Orbital Sciences Corp 44 windshield wiper maneuver 44 breathing scramjet engine 44 manned Shenzhou 44 Variable Specific 44 Crewmate Tracy Caldwell 44 Shuttle Endeavor 44 NGATS 44 scientist Rafat Ansari 44 airborne observatory 44 shuttle 44 LISA Pathfinder 44 Space Explorations 44 Carolyn Wincer 44 Kirk Shireman 44 Rusty Schweickart 44 HIAPER 44 Personal Spaceflight 44 Jim Paulsen SSME 44 Grammier 44 ion propulsion engines 44 orbiter lander 44 electric propulsion 44 Orion CEV 44 Yury Malenchenko 44 founder Elon Musk 44 lunar rover 44 manned lunar landing 44 countdown dress rehearsal 44 atmospheric reentry 44 Foundation Weightless Flights 44 manager Gerhard Schwehm 44 ornithopter 44 RpK 44 NEOSSat 44 ISS crewmember 44 X #A scramjet 44 astronauts 44 Nik Halik 44 Aerion 44 Spacewalking 44 designer Burt Rutan 44 orbiting observatories 44 Gene Cernan 44 Alphasat 44 Rick Searfoss 44 Nicollier 44 operationally responsive space 44 MOJAVE Calif. Virgin Galactic 44 E'Prime 44 Cargo Launch Vehicle 44 SSM# 44 LaserMotive 44 vertical takeoff 44 Stratospheric Observatory 44 ROCSAT 2 44 Unmanned Combat Air 44 origami masters 44 So yeon Yi 44 intergalactic spaceship 44 altitude airship 44 Educator Astronauts 44 nanosatellite 44 Space Shuttle 44 comet chaser 44 Space Shuttle STS 44 NASA Microgravity 44 shuttle orbiter 44 NM spaceport 44 GPS IIF 44 Human Spaceflight Microgravity 44 Virgin Galactic Spaceship 44 Soyuz capsules 44 unmanned 44 Spaceflight 44 moonbase 44 Northrop Grumman Weightless Flights 44 lunar rovers 44 Chandrayaan II 44 International Space Station 44 Maryniak 44 Will Whitehorn 44 Transformational Satellite TSAT 44 Sonex Aircraft 44 shuttle Discovery undocks 44 Simonetta Di Pippo ESA 44 multistage rockets 44 Galileo satellites 44 simulated lunar 44 scramjet powered 43 Mark N. Sirangelo 43 SpaceShipTwo 43 Next Giant Leap 43 duration spaceflights 43 RKK Energia 43 GPS IIR M 43 Xie Mingbao 43 Stratellite 43 astronautics 43 UCAS D 43 Mirelson 43 EELV 43 Mir Space Station 43 rocketeer 43 GQM #A Coyote 43 Boeing #E# Dreamliner 43 William Readdy NASA 43 GSLV D3 rocket 43 Ares IY 43 Multi Purpose Crew 43 rover Sojourner 43 Konstantin Tsiolkovsky 43 John Brunschwyler 43 Bell Aerosystems 43 APKWS II 43 Martian rover 43 KSLV 43 skipper Peggy Whitson 43 Qi Faren 43 orbital altitudes 43 Glonass satellites 43 Col. Yang Liwei 43 moonship 43 engineer Tim Kopra 43 Solar Impulse HB SIA 43 Commercial Resupply Services 43 Vitaly Davydov deputy 43 Eurostar E# 43 shuttle Discovery STS 43 RLV 43 Rain overcast sky 43 Stacey Tearne 43 Gossamer Condor 43 parachutes malfunctioned 43 Deep Impact comet 43 Shana Dale 43 spacefaring 43 SELENE probe 43 Orbital Outfitters 43 F. Readdy NASA 43 Astrobotic Technology 43 SPACEHAB 43 unmanned Progress 43 Taikonauts 43 http:/media#.washingtonpost.com/wp-dyn/content/phDoktor Haze 43 Paul MacCready 43 Orion spaceship 43 builder Bigelow Aerospace 43 Frank DiBello 43 STARBASE 43 Exploration Vehicle 43 Regional Spaceport 43 Space Station 43 Russian cosmonaut Yuri Usachev 43 OCO satellite 43 Glonass K 43 Skycar 43 Plane OSP 43 PSLV C9 43 Shuttle Orbiter 43 Branson Virgin Galactic 43 SpaceShip 43 unpiloted aircraft 43 lunar explorer 43 nonstop unrefueled flight 43 Ares rockets 43 Geeky tweeters 43 spacefarers 43 Steve Landeene 43 Foton M3 43 privately financed 43 spaceward 43 Launch Vehicle 43 Claude Nicollier 43 Jetpod 43 NanoSail D 43 SpaceShipOne prototype 43 MidSTAR 43 Story Musgrave 43 GSAT 5P 43 Hubble servicing 43 cryogenic propellant 43 shuttle Discovery undocked 43 Foton spacecraft 43 Russian Soyuz rocket 43 Jerrie Cobb 43 Laser Interferometer Space 43 LightSail 43 Roddenberrys remains 43 NASA Wallops Island 43 VLJ 43 lunar expeditions 43 Boeing B# Dreamliner 43 Vehicles Directorate 43 LEMV 43 Cape Canaveral FL AHN 43 Shuttle Docks 43 MOJAVE Calif. 43 unmanned airships 43 Paulo Nespoli 43 superjet 43 André Borschberg 43 LiftPort Space Elevator 43 Alphabus 43 Progress resupply 42 CRJ# NextGen regional [001] 42 Alan Lindenmoyer manager 42 vomit comet 42 Daniel Sacotte 42 MOJAVE California 42 Walter Schirra 42 spacewalking specialists 42 Astronaut Scholarship 42 Curiosity rover 42 Donald Deke Slayton 42 Erik Lindbergh 42 Alan Lindenmoyer NASA 42 Joel Sitz 42 SBSP 42 ASTRA 1L 42 inter planetary 42 Simonetta Di Pippo 42 Aerion supersonic 42 orbit GEO 42 SUGAR Volt 42 Soyuz 42 aboard Soyuz TMA 42 Shuttle Derived 42 indigenous cryogenic engine 42 Heidemarie M. 42 wife Lisa Persdotter 42 3rd SOPS 42 Launch Abort System 42 NASA Weightless Wonder 42 engineer Nicole Stott 42 H IIB 42 DSCS satellites 42 SpaceX Musk 42 Marco Caceres 42 Owen Garriott 42 Worldliner 42 scramjet 42 lunar lander 42 Reaction Engines 42 Titan IVB 42 manager Mike Suffredini 42 orbited Earth 42 Prodea 42 Orbital Sciences Corp. 42 zero gravity 42 Kazakhstan Baikonur cosmodrome 42 twin fuselages 42 MZ 3A 42 Cassini Huygens 42 microgravity experiments 42 Schragger adds 42 Giove B 42 Rockot 42 Yinghuo 1 42 SBSS satellite 42 PSLV rocket 42 ARRL AMSAT 42 CX OLEV 42 Russian Soyuz 42 Shenzhou spaceships 42 Orion Propulsion 42 twin Voyager spacecraft 42 Orion MPCV 42 STP S# 42 Rockot launch 42 X PRIZE Foundation 42 orbiters landers 42 Lori Garver 42 Advanced Concepts NIAC 42 geo synchronous 42 Takao Doi 42 Roscosmos 42 Vostok spacecraft 42 Nasa astronaut 42 optionally manned 42 orbital insertion 42 Apollo Skylab 42 Holly Ridings 42 planetary missions 42 Commercial Reusable Suborbital 42 Jules Verne ATV 42 unmanned spaceplane 42 American Astronautical Society 42 VLJs 42 Planetary Society 42 father Owen Garriott 42 Manned Space 42 indigenous cryogenic stage 42 spokeswoman Kylie Clem 42 Daisuke Enomoto 42 shuttle Atlantis docked 42 MUOS satellite 42 Swales Aerospace 42 NASA Ames 42 rocketship 42 ExoMars Trace Gas 42 Commander Pam Melroy 42 Nimiq 5 42 Orbital Sciences Corporation 42 lunar landing 42 specialists Lisa Nowak 42 Virgin Galactic WhiteKnightTwo 42 JetSuite 42 Operationally Responsive Space 42 GeneSat 42 UCAV 42 aeronautics 42 LRO LCROSS 42 Mo Yahyavi vice 42 simulate weightlessness 42 Solar Arrays 42 WhiteKnight 42 G FORCE ONE 42 Orbital Minotaur 42 Atlantis STS 42 Fincke radioed 42 NASA Astronaut 42 Astrotech Space Operations 42 BepiColombo joint 42 Starchaser Industries 42 GSLV Mk III 42 transoceanic flights 42 moonbuggy 42 director Gary Horlacher 42 SMOS Soil Moisture 42 MicroSat Systems 42 Skycar ® 42 B2 stealth bomber 42 supersonic combustion 42 Mike Sarafin radioed 42 Pete Hasbrook 42 Zhang Qingwei 42 Highly Adaptable Satellite 42 astronaut Owen Garriott 42 startup Virgin Galactic 42 Astronauts conserved 42 Express AM# 42 Azerspace 42 endurance UAV 42 Max Faget 42 supersonic airliner 42 P Churyumov Gerasimenko 42 Shuttle 42 NASA Administrator 42 O OREOS 42 winged spacecraft 42 America Rocketry Challenge 42 Anatoly Perminov 42 Starsem 42 cryocooler 42 Shenzhou orbital modules 42 Oleg Ivanovsky 42 Soviet cosmonaut Yury Gagarin 42 Yuri Night 41 microgravity 41 Orteig prize 41 unmanned lunar orbiter 41 Globalstar satellites 41 Dragon spacecraft 41 interplanetary 41 supersonic aircraft 41 ITA Software www.itasoftware.com 41 Shuttle Challenger 41 aviation 41 Manned missions 41 Mars landers 41 Charles Camarda 41 AIRSS 41 Orbital Taurus 41 indigenous cryogenic 41 Launch Scrubbed 41 ARJ# regional 41 aeronautical engineers 41 scramjet engine 41 PAC #XL 41 Milstar satellites 41 successfully undocked 41 Terrestrial Planet Finder 41 unrefueled 41 Constellation Orion capsule 41 Interplanetary Internet 41 CAIB recommendations 41 space farers 41 Valentina Tereshkova 41 ExoMars mission 41 commander Zhai Zhigang 41 Taurus XL 41 EPOXI mission 41 Russian Soyuz capsules 41 STSS Demonstration 41 LMCSS 41 planetary Transits 41 Payload Specialist 41 Joyce Winterton 41 Suffredini hinted 41 multirole fighter 41 mothership WhiteKnightTwo 41 Cosmonaut Yuri Shargin 41 geostationary communications 41 unmanned reconnaissance 41 Derek Hassmann 41 Administrator Lori Garver 41 celestial observations 41 twinjet 41 BLOODHOUND SSC 41 Lunar Outpost 41 Pete Theisinger 41 hypersonic missile 41 ramjet scramjet 41 Space Shuttle Orbiter 41 unmanned Shenzhou capsules 41 Satcher Jr. 41 Soyuz TMA #M 41 rocket 41 stabilizing gyroscopes 41 Shenzhou VI craft 41 Alexander Samokutyayev 41 Lunar Lander Analog 41 Cessna Citation CJ3 41 System F6 41 Glonass navigation satellites 41 GLAST telescope 41 robotic rover 41 H IIA 41 Zhang Jianqi 41 Y1A 41 Mars# 41 superstrong materials 41 Hyper X 41 Satellite Launch Vehicle GSLV 41 model rocketry 41 ShareSpace Foundation 41 Sergei Gorbunov spokesman 41 Divine Vessel 41 Airnetz 41 Lunar Lander 41 BioSuit 41 George Zamka 41 chief Bill Gerstenmaier 41 spokesperson Allard Beutel 41 A. Cernan 41 David Southwood ESA 41 NASA Reduced Gravity 41 GSLV 41 carry heavier payloads 41 Geosynchronous 41 unpowered glide 41 supersonic jets 41 Gunman kills hostage 41 LEAP X1C 41 Gwynne Shotwell 41 Orbital 41 Bloodhound SSC 41 Rick Tumlinson 41 KSLV 1 41 PlanetSolar 41 unscrew bolt 41 RKK Energiya 41 Xtraordinary Adventures 41 Shuttle Discovery blasts 41 cryogenic engines 41 Orbital Boost 41 RSC Energia 41 privately funded 41 Oefelein piloted 41 NASA astronaut corps 41 Extra Vehicular Activity 41 SkySat 41 Red Bull Stratos 41 VTOL vertical 41 coastal Naro 41 geosynchronous satellite launch 41 WhiteKnightTwo carrier 41 Eutelsat KA SAT 41 Shenzhou VII 41 Muszaphar 41 tourist Guy Laliberte 41 Crew Launch Vehicle 41 administrator Sean O'Keefe 41 Kepler spacecraft 41 Reduced Gravity Student 41 Psychological profiling 41 infrared observatory 41 Gagarin flight 41 Astro E2 41 F# Raptor 41 Carl Marchetto 41 Reduced Gravity 41 heaviest payloads 41 Pluto Kuiper Belt 41 Astrium Satellites 41 payload 41 ST5 41 engineer Oleg Kononenko 41 SPHERES 41 unmanned aerial 41 Lunar Rover 41 Spaceguard Survey 41 Orbital Pegasus 41 AirScooter 41 breathing supersonic combustion 41 LADEE 41 Russian Nikolai Budarin 41 President Gwynne Shotwell 41 www.spacedev.com 41 spacefaring civilization 41 Laurie Leshin 41 William Readdy 41 Astrotech 41 System SBIRS 41 Dordain 41 Innovative Partnerships Program 41 Re engining 41 podcars 41 Astronaut Lopez Alegria 41 Flyby spacecraft 41 Stephanie Stilson NASA 41 electromagnetic propulsion 41 HyShot 41 JIMO mission 41 NASA Ares IX 41 Rocketplane XP spacecraft 41 Evolved Expendable Launch Vehicle 41 commander Charlie Hobaugh 41 JAXA 41 Futron 41 light jets VLJs 40 Greason 40 Feitian 40 Iridium NEXT satellites 40 Ellison Onizuka 40 A#T Hummingbird 40 colonize Mars 40 Apollo Lunar Module 40 Orbital Sciences 40 SATCOM WGS satellite 40 Virgin Atlantic GlobalFlyer 40 Astronaut Glove 40 satellites orbiting Earth 40 satellite Kwangmyongsong 2 40 Payloads 40 lunar explorers 40 Advanced EHF satellites 40 mogul Richard Branson 40 A#neo aircraft 40 MEASAT 3a 40 VMS Eve 40 Iridium NEXT 40 Ed Buckbee 40 turbofan powered 40 Boeing #-# Intercontinental 40 Wallops Flight Facility 40 long endurance HALE 40 X #B 40 VASIMR engine 40 astronaut Jerry Linenger 40 Wallops Island 40 jet propulsion 40 ATV Jules Verne 40 SUAS 40 Canadian Julie Payette 40 NASA Educator Astronaut 40 weather satellite TIROS 40 Shuttle Atlantis docks 40 GPS 2R 40 KazSat 40 extravehicular activities 40 spacecraft Chandrayaan 1 40 Operation IceBridge 40 ICON Aircraft 40 Bill Readdy NASA 40 Soyuz booster 40 GLONASS M 40 stratospheric airship 40 Mercury capsules Skylab 40 Al Khayala 40 Piers Sellers 40 specialists Scott Parazynski 40 Cooning 40 Mars Pathfinder 40 hypersonic propulsion 40 Sikorsky Innovations 40 Scramjet 40 Kirk Shireman deputy 40 Ken Davidian 40 IceBridge 40 paramedic Mickey Lippy 40 Solaren 40 radar evading stealth 40 GA ASI 40 Martian lander 40 George Muellner 40 Moonbase Alpha 40 Aerosonde 40 KA SAT satellite 40 Nasa spacecraft 40 Klumpar 40 commander Dmitry Kondratyev 40 humanoid robot bound 40 Russian Soyuz spacecraft 40 tiltrotor aircraft 40 unmanned spacecraft 40 Russian Soyuz spaceship 40 Apollo missions 40 traveler Richard Garriott 40 Institute NSBRI 40 Cryosat 40 Bjarni Tryggvason 40 Mercury Gemini 40 Dryden Aircraft 40 algae biofuel 40 Sun synchronous orbit 40 astronauts Douglas Wheelock 40 Perchonok 40 Astronautics 40 deorbiting 40 Eyjafjallajokull eruption prompted 40 aboard Soyuz rocket 40 hypersonic cruise 40 Eurocopter X3 40 Maxim Surayev 40 Lt. Col. Yang Liwei