Related by context. Frequent words. (Click for all words.) 47 NASA 46 Heidemarie Stefanyshyn Piper 45 Mike Suffredini 44 spokesman Allard Beutel 44 spokesman Valery Lyndin 44 Nasa 43 Shuttle commander 43 Shuttle Launch 43 liftoff 43 Bill Gerstenmaier NASA 42 unmanned spacecraft 42 Roskosmos 42 Gerstenmaier 42 Mission Control 42 Dittemore 42 orbital debris 41 Lyndin 41 spacecraft 41 Jet Propulsion Laboratory 41 Suffredini 40 McCain R Ariz 40 astronaut 40 space shuttle Discovery 40 LeRoy Cain 40 By Irene Klotz 40 Kostelnik 40 Readdy 40 Space Agency 39 PASADENA Calif. NASA 39 spacewalk 39 spacewalking astronaut 39 orbit 39 Bill Gerstenmaier 39 spacewalker 39 Anatoly Perminov 39 Jet Propulsion Laboratory JPL 39 Jiuquan Satellite Launch 39 shuttle Discovery 39 thermal blanket 39 Endeavour astronauts 39 micrometeorites 39 Warner R Va 39 Stefanyshyn Piper 39 Cape Canaveral 38 Kathy Winters 38 Robert Behnken 38 shuttle Challenger 38 blastoff 38 X #B 38 astronauts 38 orbiting 38 director Holly Ridings 38 KENNEDY SPACE CENTER 38 JAXA 38 manager Ron Dittemore 38 Salazar D Colo 38 director Mike Leinbach 38 Commander Eileen 38 NASA Jet Propulsion Laboratory 38 Kennedy Space 38 Earth orbit 38 Nicole Stott 38 orbiting telescope 37 orbiter 37 Pentagon Missile Defense 37 NASA Wallops Flight 37 Perminov 37 shuttle 37 Alan Poindexter 37 International Space Station 37 SPACE CENTER Houston 37 spaceship 37 NASA Administrator 37 shuttle Atlantis 37 Hubble servicing 37 Flight controllers 37 liquid hydrogen 37 Baikonur 37 Ares IX 37 orbiting observatory 37 Rockefeller DW.Va. 37 Satish Dhawan Space 37 space shuttle 36 Fincke 36 shuttle Endeavour 36 Japanese astronaut Soichi 36 heat shield 36 ISRO 36 Bigelow Aerospace 36 LeRoy Cain chairman 36 Wallops Island 36 Leinbach 36 Shuttle Landing 36 Parazynski 36 Karamargin 36 Scaled Composites 36 orbiting shuttle 36 Gutheinz 36 Navarro Valls 36 Mission Specialists 35 Japan Aerospace Exploration