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(Click for frequent words.) 63 SpaceShipOne 62 Scaled Composites 58 Burt Rutan 55 SpaceShip One 54 XCOR Aerospace 54 SpaceX 53 suborbital spaceship 53 Greason 51 XCOR 51 pioneer Burt Rutan 51 SpaceShipTwo 51 Ansari X 51 Mojave Spaceport 51 spaceflight 51 Virgin Galactic 50 Burt Rutan SpaceShipOne 50 SpaceShipOne designer 49 Musk 49 reusable spacecraft 49 sub orbital 49 suborbital flights 49 Jeff Greason 49 suborbital spaceships 49 Melvill 48 Branson 48 Richard Branson Virgin Galactic 48 SpaceShipTwo SS2 48 Pete Siebold 48 suborbital 48 suborbital spaceflight 47 Peter Diamandis 47 Bigelow Aerospace 47 Scaled Composites LLC 47 SpaceDev 47 Sirangelo 47 UP Aerospace 46 CEO Jeff Greason 46 Dream Chaser 46 spaceline 46 spacecraft SpaceShipTwo 46 Rutan SpaceShipOne 46 suborbital spacecraft 46 designer Burt Rutan 46 SpaceShipOne rocket 46 Kochersberger 45 Burt Rutan Scaled Composites 45 Virgin Galactic spaceline 45 X Prize 45 Masten Space Systems 45 engineer Burt Rutan 45 Peter Diamandis founder 45 Elon Musk SpaceX 45 Landeene 45 Mike Melvill 45 Diamandis 45 suborbital space 44 Engelauf 44 WhiteKnight Two 44 Rocketplane 44 Long EZ homebuilt 44 EZ Rocket 44 WhiteKnightTwo WK2 44 Aptera 44 NASA 44 Spaceport America 44 André Borschberg 44 SpaceX Falcon 9 44 MOJAVE Calif. 44 Karkow 44 Lunar Lander Challenge 44 Readdy 44 rocketship 43 manned suborbital 43 Dragon capsule 43 manned spacecraft 43 entrepreneur Elon Musk 43 suborbital flight 43 Andre Borschberg 43 VSS Enterprise 43 X #A 43 manned spaceflight 43 SpaceShip Two 43 Mojave Airport 43 spaceliner 43 WhiteKnightTwo 43 Mojave Aerospace 43 SpaceShipOne prototype 43 Klapmeier 43 Rutan Scaled Composites 42 Bezos 42 SpaceLoft XL 42 Xcor Aerospace 42 Starchaser 42 Kliper 42 Yeager 42 Piccard 42 Zero Gravity Corporation 42 Blackswift 42 Centennial Challenges 42 commercial spaceflights 42 Perminov 42 Sergey Brin 42 Poberezny 42 Crye 42 Geoff Sheerin 42 spaceport 42 Will Whitehorn 42 Paul MacCready 42 Rocketplane XP 42 Virgin Galactic unveils 42 commercial spaceline 41 Gus Grissom 41 Rick Searfoss 41 Brin 41 mothership WhiteKnightTwo 41 Garriott 41 Armadillo Aerospace 41 Fossett 41 Dick Rutan 41 Bockstruck 41 NASA Jet Propulsion Lab 41 Peter Diamandis chairman 41 Orbital Outfitters 41 Maryniak 41 spaceplane 41 suborbital spaceflights 41 Czysz 41 director Chuck Dovale 41 Walter Schirra 41 Scaled Composites SpaceShipOne 41 Jon Karkow 41 spaceship 41 Wernher Von Braun 41 Astronaut Lopez Alegria 41 Orbital Express 41 Reinhartsen 40 Reaction Engines 40 manned spaceship 40 WhiteKnightTwo mothership 40 Virgin Galactic Branson 40 SpaceshipTwo 40 X PRIZE 40 Rocketplane Ltd. 40 supersonic airliner 40 Northrop Grumman Lunar Lander 40 Solar Impulse 40 Bill Readdy NASA 40 space shuttle 40 Orion Crew 40 Interorbital Systems 40 SpaceLoft XL rocket 40 Haise 40 Vanderleest 40 SpaceX Falcon 40 suborbital rocket 40 Alan Klapmeier 40 ion propulsion 40 Virgin Galactic Richard Branson 40 Rocketplane Kistler 40 Ansari X PRIZE 40 Rusty Schweickart 40 Orbital Space 40 Fancher 40 Kavandi 40 Gwynne Shotwell 40 SpaceX Dragon capsule 40 Space Explorations 40 Skunk Works 40 spacecraft 40 Virgin Galactic VSS Enterprise 40 Aerojet 40 Owen Garriott 40 Virgin Galactic SpaceShipTwo 40 Dyna Soar 40 Dale Klapmeier 39 Virgin Galactic spaceship 39 Sanswire Networks 39 Hertzfeld 39 Martin Jetpack 39 legend Burt Rutan 39 roadable aircraft 39 X #B 39 Xerus 39 GeneSat 1 39 Boris Chertok 39 Whitehorn 39 lunar landings 39 commercialize SpaceShipOne 39 supersonic Concorde 39 Mrs. Bresnik 39 tycoon Richard Branson 39 Casebier 39 spaceflights 39 Aptera Motors 39 Apollo Lunar Module 39 MacCready 39 Wende Doohan 39 Shireman 39 Thrun 39 www.xprize.org 39 SpaceShipTwo spacecraft 39 Pietenpol 39 Minotaur IV rocket 39 Gagarin 39 shuttle orbiter 39 GlobalFlyer 39 Boisjoly 39 Mayor Raeanne Presley 39 Orion spacecraft 39 Monville 39 Zuckerberg 39 Theodore von Karman 39 director Gary Horlacher 39 Suborbital 39 CEO Elon Musk 39 AirScooter 39 Bohannon 39 sub orbital spaceflight 39 William Readdy NASA 39 Gilbrech 39 Spacehab 39 Udvar Hazy 39 Schweickart 39 Steve Landeene 38 MOJAVE California 38 astronautics 38 CEO Alan Klapmeier 38 LiftPort 38 Rocketplane Global 38 Woodrow Whitlow 38 Spaceship 38 William Readdy 38 NASA Ames 38 SpaceX Dragon 38 director Steve Landeene 38 NASA Centennial Challenges 38 Elon Musk 38 Yergenson 38 Rosenker 38 Shuttle Challenger 38 Virgin Galactic WhiteKnightTwo 38 lunar lander 38 Cernan 38 commercial spaceliner 38 developer Xcor Aerospace 38 Honick 38 manager Gerhard Schwehm 38 Launius 38 SLC 3E 38 Zero Gravity Corp. 38 Orteig Prize 38 Taurus XL 38 Terry Dody 38 Scaled Composite 38 Erik Lindbergh 38 O. Hobaugh 38 Ceccacci 38 Vostok spacecraft 38 X #B Orbital 38 Gregg Maryniak 38 Pete Theisinger 38 Solaren 38 Tesla Motors 38 director Tony Ceccacci 38 Orville Wright 38 Earhart 38 Bertrand Piccard 38 Orbital Sciences Corp. 38 spaceports 38 Robert Hoot Gibson 38 airship 38 AirVenture 38 parachutes malfunctioned 38 Oleg Ivanovsky 38 shuttle Endeavor 38 Starchaser Industries 38 Lopota 38 Gerstenmaier 38 Garriot 38 Orion CEV 38 Curtiss 38 Sibrel 38 interplanetary missions 38 Foulois 38 MirCorp 38 robotic spacecraft 38 Lunar Lander 38 reusable suborbital 38 Orion capsule 38 maverick Burt Rutan 38 shuttle Challenger 38 SkyValue 38 rover Curiosity 38 Traster 38 NewSpace 38 WK2 38 SpaceShip 38 Apollo missions 38 Milt Heflin chief 38 President Gwynne Shotwell 38 Commercial Spaceflight Federation 38 spaceships 38 Galactic Suite 37 Ares IY 37 Babbitt 37 Schiada 37 VMS Eve 37 unpiloted 37 scramjets 37 manager Mike Suffredini 37 Richard Gilbrech 37 manned lunar landing 37 dexterous robot 37 John Brunschwyler 37 Peter H. Diamandis 37 Airship Ventures 37 ATK Space 37 Mars rovers 37 moonship 37 Webb Telescope 37 Ares rocket 37 vomit comet 37 Kenshalo 37 Branson Virgin Galactic 37 Engelbart 37 Wallops Island 37 Dordain 37 Ailor 37 ornithopter 37 Joel Sitz 37 Chang'eI 37 Sinkule 37 Lovell Fred Haise 37 Borschberg 37 hypersonic flight 37 Xie Mingbao 37 Airborne Laser 37 XPrize 37 Dittemore 37 Xcor 37 manned spaceflights 37 winged spacecraft 37 Brandenstein 37 Goldstrohm 37 Minotaur rocket 37 Sevastyanov 37 Rutan partnered 37 Ron Grabe Orbital 37 Mercury Gemini 37 Braukus 37 orbital spaceflight 37 Vehicle CEV 37 uncrewed 37 Covey 37 Altman 37 Richard Garriott 37 Wichlinski 37 Paulhan 37 Crew Exploration 37 X #A WaveRider 37 administrator Sean O'Keefe 37 Myhrvold 37 Gimli Glider 37 Virgin Atlantic GlobalFlyer 37 NASA Wallops 37 Ed Weiler 37 Omar Baez 37 DARPA 37 Snearly 37 Knapinski 37 SPACEHAB 37 space shuttles 37 Bob Ess 37 Discovery STS 37 Cooning 37 F. Readdy NASA 37 Aerion 37 Lunar X PRIZE 37 Molczan 37 Hawking 37 Kadlecek 37 Spaceport Authority 37 Borroni Bird 37 rocketships 37 Pilot Chesley Sully Sullenberger 37 Jet Propulsion Lab 37 Rick Tumlinson 37 director Rick LaBrode 36 Heathman 36 Glasair II 36 astronaut Owen Garriott 36 suborbital rockets 36 Buschmann 36 Ron Dittemore 36 Astrobotic Technology 36 NASA vomit comet 36 Julie Van Kleeck 36 Next Giant Leap 36 LaserMotive 36 LightSail 1 36 tailbooms extending rearward 36 Chodas 36 RSRMs 36 manned orbital 36 Virgin Galactic spaceliner 36 Mojave Desert hangar 36 Jackie McQuillan 36 Bekey 36 NASA Wallops Flight 36 Orbital Sciences Corp 36 Space Shuttle Astronaut 36 inland spaceport 36 Unreasonable Rocket 36 NASA Administrator 36 Spectrum Aeronautical 36 tilt rotor 36 builder Scaled Composites 36 Kent Rominger 36 CCDev 36 Technologies SpaceX 36 Nasa 36 Aspen Avionics 36 Gene Cernan 36 Solar Impulse HB SIA 36 Titan IVB 36 Parsons 36 Haluska 36 Kidrick 36 Shenzhou spacecraft 36 Konstantin Tsiolkovsky 36 Thiokol 36 SpaceX Musk 36 Daugherty 36 Spaceport 36 lunar missions 36 Alan Shepard 36 Wilbur Wright 36 Shenzhou VI 36 Yearout 36 Wham O toy 36 Klinkrad 36 Orion Propulsion 36 Regional Spaceport 36 scramjet 36 hypersonic jet 36 Daniel Sacotte ESA 36 Constellation Ares 36 Vomit Comet 36 celebratory margaritas 36 Kitty Hawk NC 36 Cygnus spacecraft 36 reentries 36 Magenn 36 delta winged 36 Segway inventor 36 Weightless Wonder 36 Virgin Spaceship 36 Sir Richard Branson 36 Atlantis STS 36 McNerney 36 Blackbird spy 36 scramjet engine 36 Aptera 2e 36 orbiting shuttle 36 Chuck Yeager 36 founder Elon Musk 36 Capt. Bews 36 Kennamore 36 homebuilt plane 36 Operations Bill Gerstenmaier 36 Dennis Tito 36 hypersonic glider 36 Karnath 36 Sergei Korolev 36 Sherck 36 VariEze 36 B. Sullenberger 36 bankrolling starry eyed 36 lunar landers 36 lunar landing 36 Simonyi 36 ATK Launch Systems 36 Charles Simonyi Hungarian 36 Sergei Korolyov 36 Denevan 36 Dotzler 36 Fornof 36 NASAs 36 WhiteKnightTwo carrier 36 jetpack 36 Hale 36 Winglee 36 Gemini Apollo 36 agency Roskosmos 36 engineer Kalpana Chawla 36 Earth orbit 36 Garver 36 spokesman Michael Braukus 36 Ares IX 36 Snoddy 36 Mark N. Sirangelo 36 Virgle 36 Lieutenant Colonel Yang Liwei 36 Mars Pathfinder 36 Lori Garver 36 Orbital 36 Virgin Galactic suborbital 35 Roscosmos 35 Scolese 35 circumlunar 35 John Gedmark 35 hypersonic scramjet 35 Altair lunar lander 35 Minotaur IV 35 orbital rendezvous 35 director Charles Elachi 35 Lemmond 35 Dehlsen 35 Space Shuttle 35 WhiteKnight 35 Junichiro Kawaguchi 35 Lunsford 35 Ernst Stuhlinger 35 GlobalFlyer designer 35 Colann 35 Stardust 35 Feynman 35 Swigert 35 Solar Roadways 35 director Gene Kranz 35 Virts 35 Wrights 35 Reusable Launch Vehicle 35 JIMO mission 35 Satish Dhawan 35 Squyres 35 hypersonic 35 Zockoll 35 Capt Sullenberger 35 X #A scramjet 35 lunar orbiter 35 Cischke 35 Tesla 35 Hegsted 35 NASTAR Center 35 Space Adventures 35 Dante Giacosa 35 APKWS 35 Personal Spaceflight Federation 35 Spudis 35 Konrad Dannenberg 35 Rex Geveden 35 hypersonic speeds 35 Lehew 35 Variable Specific 35 blastoff 35 LeTellier 35 founder Jeff Bezos 35 Neal Saiki 35 Fosset 35 Palwaukee 35 Silver Dart 35 Shenzhou IV 35 weather satellite TIROS 35 Keith Cowing 35 Basiago 35 indigenous cryogenic engine 35 Vern Raburn 35 Pilot George Zamka 35 Col. Yang Liwei 35 Geoghagan 35 Scott Crossfield 35 spacecrafts 35 Granger Whitelaw 35 Shenzhou 35 PlanetSpace 35 Bozo Harmon 35 Beachey 35 Jack Swigert 35 Yury Gagarin 35 microjet 35 Allan Cheuvront 35 AirLaunch 35 Jet Propulsion Laboratory 35 Shenzhou VII 35 Shepard 35 Astrium 35 pilot Andre Borschberg 35 Lorraine Bolsinger president 35 Orbital Sciences 35 Lelaie 35 Chang'e 35 Satcher Jr. 35 Bleriot 35 Kazakhstan Baikonur cosmodrome 35 Blankenship 35 Pelmear 35 taikonaut 35 Pilot Terry Virts 35 twinjet 35 wife commissioned Celestis 35 HondaJet 35 Molniya M 35 Derek Hassmann 35 Hempleman Adams 35 specialists Lisa Nowak 35 rocketry 35 Matney 35 Sanswire 35 Dolezalek 35 Mahurin 35 Astronaut Glove 35 Jerrie Cobb 35 Dr. Chirinjeev Kathuria 35 astronauts Gus Grissom 35 Loretta Hidalgo Whitesides 35 Auguste Piccard 35 Wadekamper 35 Soviet cosmonaut Yuri Gagarin 35 Kadera 35 Grammier 35 Kieckhefer 35 robotic landers 35 paramedic Mickey Lippy 35 Battelle 35 Spaceflight 35 Conner 35 Astrobotic 35 Tominack 35 rocketeer 35 Fentress 35 Orion Ares 35 Mercury Redstone 35 Gayheart 35 Atlas 2AS 35 Sullenberger 35 Octave Chanute 35 Leroy Cain 35 lunar module pilot 35 Swales Aerospace 35 Grunsfeld 35 Cramm 35 ANSARI X PRIZE 35 Launch Abort System 35 GPS 2R 35 Roswell NM 35 Air Force Evolved Expendable 35 Foton M2 35 Pinneo 35 Avjet Corp. 35 Professor Pillinger 35 Hindman 35 dummy payload 35 Wallops Flight Facility 34 Shuttle Endeavor 34 Virgil Gus Grissom 34 Judy Resnik 34 liftoff 34 Chafer 34 Ares IX rocket 34 Space Shuttle STS 34 NM spaceport 34 Suzanna Darcy Hennemann 34 Smalley 34 director Derek Hassmann 34 Louis Joey Nacke 34 spaceport anchor tenant 34 Sullenberger III 34 director Heather Rarick 34 Walkup 34 Stardust NExT 34 Kitfox 34 pilot Claude Lelaie 34 Jean Pierre Lebreton ESA 34 Holloman 34 astronauts 34 Zimmerlee 34 coach Jonas Honick 34 Taurus XL rocket 34 Sikorsky X2 34 Nasa Ames 34 Ugobe 34 Eidson 34 Younkin 34 Daufeldt 34 Russian cosmonaut Yuri Gagarin 34 Coonrod 34 Kleinke 34 Soyuz rocket 34 Rossy 34 Elliot Pulham 34 Virgin Galactic Spaceship 34 Stardust capsule 34 HyFly 34 Eileen Collins 34 NROL 34 Kughn 34 McKillips 34 Coonts 34 nonstop unrefueled flight 34 Thaden 34 ZERO G 34 Baseler 34 STSS Demo 34 Wally Schirra 34 lunar exploration 34 Wang Zhaoyao 34 Avjet 34 Lockheed 34 MZ 3A 34 Richard Garriot 34 Jupiter Icy Moons Orbiter 34 Stefanyshyn Piper 34 Zhang Jianqi 34 renowned cosmologist 34 Richard Feynman 34 Gossamer Albatross 34 Spaceward Foundation 34 SolarEagle 34 Eggers 34 Werner von Braun 34 Troy Widgery 34 Safety Reliability Methods 34 Soyuz 34 Goodyear airship 34 Dean Kamen 34 Futron 34 Allan Sandage 34 Lancair 34 Russian cosmonaut Yuri Usachev 34 Tom Poberezny EAA 34 Sully Sullenberger III 34 Raymond Kurzweil 34 Curless 34 Wernher von Braun 34 Tibbitts 34 fairing atop 34 von Tiesenhausen 34 Voyager piloted 34 Shuttle Derived 34 VASIMR 34 McNealy 34 LightSail 34 Monnig 34 DesertXpress Enterprises 34 Apollo astronauts 34 Achs 34 Apollo Soyuz 34 electric Tesla Roadster 34 Pegasus XL 34 astronaut Jack Lousma 34 EELV 34 Wincer 34 Shuttle commander 34 Cessna #B 34 Moffett Field 34 PiperJet 34 Kevin Kochersberger 34 X #A Waverider 34 Oberth 34 OCO satellite 34 Sputnik satellite 34 Nasa Jet Propulsion 34 Mooney M#J 34 SELENE probe 34 Deaver 34 ATK 34 Wirefly X 34 Kepford 34 Gossamer Condor 34 McArtor 34 Vandenberg Air Force Base 34 Helios Prototype 34 Mike Sarafin radioed 34 Ashly Costa 34 Professor Hawking 34 Kolodziejzyk 34 Mars Rover 34 manned lunar 34 Berners Lee 34 Atlantis astronauts 34 Baikonur 34 Sanswire TAO Corp. 34 TechStart 34 Soar Minden 34 PSLV C# rocket 34 Mike Suffredini 34 Pilatus PC-#/# 34 Redweik 34 Carl Marchetto 34 Fossett Plane 34 Harriet Quimby 34 Flabob 34 Mars rover 34 Kageorge 34 Sageser 34 Groscost 34 Holly Ridings 34 Max Faget 34 Steinweiss 34 SBIRS GEO 34 Bigelow 34 HIAPER 34 Royyuru 34 Hargenrader 34 rocketeers 34 SH #F helicopter 34 spaceflyers 34 historian Roger Launius 34 Marscher 34 NASA Jet Propulsion Laboratory 34 Crewmate Tracy Caldwell 34 Boeing Dreamliner 34 Frank Borman 34 Metcalf Lindenburger 34 Dean Kruithof 34 PSLV C6 34 Lindbergh 34 Gravity Probe B 34 human spaceflight 34 Skiles 34 Conroyd 34 Skrenta 34 Muller Otvos 34 Baughan 34 Gautrau 34 Silvernell 34 Schirra 34 Hersman 34 Supancic 34 Duenk 34 Molasky 34 Lousma 34 Captain Chesley Sullenberger 34 Pamela Melroy 34 vertical takeoff 34 Gregg Maryniak executive 34 Naukam 34 Grumman Albatross 34 Glenn Mahone 34 collectSPACE.com 34 DragonLab 34 Lanzendorf 34 Winarsky 34 Ollenburger 34 Hodas 34 Mike Cerneck 34 Interior Laboratory GRAIL 34 Rover MER 34 Murdock 34 manager Ron Dittemore 34 Dryden Aircraft 34 SpaceDev Dream Chaser 34 Aukes 34 Admiral Gehman 34 Airship 34 rocket 33 Orbital Taurus 33 Space 33 Geoff Farrington Kapowsin 33 JAXA 33 Commander Dominic Gorie 33 robotic rover 33 Lipperer 33 Aeronca 33 Yang Liwei 33 Jerry Bisgrove 33 Alan Lindenmoyer NASA 33 Vander Ark 33 Hachamovitch 33 Kuhles 33 Popular Mechanics Hawkes 33 unmanned airship 33 Fulmor 33 Van Deest 33 Stirm 33 Cape Canaveral Fla. 33 Prof Hawking 33 Willie McCool 33 Jetpod 33 ATK Thiokol 33 Kipfmiller 33 Bloodhound SSC 33 Samuel Ting 33 JAD McCurdy 33 founder Peter Diamandis 33 Kittinger 33 Tom Poberezny 33 SIRTF 33 Martian rover 33 Montemerlo 33 Crislip 33 LCROSS 33 Educator Astronaut 33 Jupiter Icy Moons 33 aircraft Solar Impulse 33 Boeing #E# Dreamliner 33 Gumerson 33 Titan 4B 33 Laliberté 33 Wingett 33 Hignite 33 Cessna 33 Vic Gundotra vice 33 astronaut Ronald Garan 33 von Braun 33 ISRO 33 Scramjet 33 Malkas 33 Atlas IIAS 33 Oleksyk 33 Boyer 33 exuberant Elon Musk 33 Mo Yahyavi vice 33 Gorie 33 supersonic 33 Shepard suborbital 33 TacSat 33 scientist Rafat Ansari 33 Rachael Bilney 33 Charles Chafer 33 KaiserAir 33 Astronaut Scholarship 33 Zubrin 33 Piers Sellers 33 Granick 33 Soviet cosmonaut Yury Gagarin 33 Frohnhoefer 33 Van Hooser 33 Innovative Partnerships 33 Deke Slayton 33 Igor Sikorsky 33 Wieckhorst 33 Coleman Paolo Nespoli 33 Shenzhou capsule 33 LiftPort Space Elevator 33 countdown dress rehearsal 33 pressurized cabin 33 Norm Thagard 33 Oasys Design 33 Ausra 33 Gerenser 33 Stardust spacecraft 33 vessel VSS Enterprise 33 FAA 33 Innovative Partnerships Program 33 Brazilian Marcos Pontes 33 EAA AirVenture 33 Eversole 33 Patricia Tombaugh 33 ILC Dover 33 William Gerstenmaier 33 Russian cosmonaut Maxim Suraev 33 Hefner 33 unpowered glide 33 KSC Visitor Complex 33 Dorothy Metcalf Lindenburger 33 Avritt 33 atmospheric reentry 33 shuttle Atlantis STS 33 DART spacecraft 33 Jerry Airola 33 Beydler 33 Richard Branson 33 #E# Dreamliner 33 Marnach 33 Hobaugh 33 J 2X 33 Cassini Huygens 33 Concorde supersonic 33 Ares rockets 33 Federal Aviation Administration 33 Allan Kenitzer 33 Koptev 33 glider pilots 33 Tosaw 33 Astrogenetix 33 commander Dick Scobee 33 Endeavour robotic arm 33 Mastroni 33 Hilda Marcin 33 Eichinger 33 Lockheed Martin Waterton Canyon 33 NASA Jet Propulsion 33 Aerion supersonic 33 Starsys 33 Konstantin Feoktistov 33 A'Hearn 33 Extraterrestrial Highway 33 Sasselov 33 Prucnell 33 Barbalace 33 Spectrum Astro 33 Morasch 33 enthusiast Peter Diamandis 33 Astleford 33 multistage rockets 33 SolarReserve 33 navigate autonomously