Related by context. Frequent words. (Click for all words.) 52 Bertrand Piccard 50 Burt Rutan 48 Kitty Hawk NC 48 circumnavigation 48 Piccard 47 GlobalFlyer 47 Solar Impulse 46 Peter Diamandis 46 solo circumnavigation 45 Charles Lindbergh 43 Dennis Tito 42 Fossett 41 scramjet 41 Rutan 41 Steve Fossett 41 hotel magnate Barron 40 Francis Joyon 40 circumnavigating 40 Borschberg 40 Chuck Yeager 40 SpaceShipOne 39 X #A 39 WhiteKnightTwo 39 Orville Wright 39 balloonist 39 Scaled Composites 39 Wilbur Wright 39 supersonic 38 spaceflight 38 glider pilot 38 suborbital flights 37 designer Burt Rutan 37 sub orbital 37 ZERO G 37 Barron Hilton 37 Yang Liwei 36 sail solo 36 SpaceShipTwo 36 circumnavigate 36 Yuri Gagarin 36 Zac Sunderland 36 X PRIZE 36 spaceflights 36 Sir Richard Branson 36 Lee Archambault 36 Sherpa Tenzing Norgay 36 aviator 36 suborbital flight 36 Orion spacecraft 36 Richard Garriott 36 lunar orbiter 35 Necker Island 35 Cirrus SR# 35 Mercury Gemini 35 Bonneville Salt Flats 35 International Balloon Fiesta 35 Melvill 35 tycoon Richard Branson 35 astronaut Yang Liwei 35 Mojave Airport 35 EAA AirVenture 35 Sally Ride 35 Ellen MacArthur 35 NASA Dryden Flight 35 Kitty Hawk 35 XCOR 35 Air Force Rescue Coordination 34 runaway balloon 34 SpaceDev 34 HondaJet 34 radar evading 34 UP Aerospace 34 Zamka 34 Shuttle Discovery 34 Orville 33 X PRIZE Foundation 33 Russian Soyuz rocket 33 Centennial Challenges 33 AirVenture 33 Sanswire 33 polar explorer 33 Amelia Earhart 33 fighter pilot 33 Airborne Laser 33 refueling 33 X #B 33 Xiamen Airlines 33 Alan Shepard 33 hypersonic 33 glider 33 skydive 33 Orion capsule 33 Hubble servicing 32 rocketship 32 airship 32 Swiss adventurer 32 vertical takeoff 32 manned spacecraft 32 adventurer 32 Wrights 32 flying saucer