Related by context. Frequent words. (Click for all words.) 51 Mike Suffredini 47 LeRoy Cain 46 Bill Gerstenmaier NASA 46 Grunsfeld 45 Bill Gerstenmaier 45 shuttle Atlantis 45 manned spaceflight 45 Shuttle commander 45 John Grunsfeld 44 Shuttle Discovery 44 spacewalk 43 International Space Station 43 Peter Diamandis 43 NASA 43 LeRoy Cain chairman 43 Shenzhou VII 43 orbiting 42 Spacewalking astronauts 42 Readdy 42 spacewalking 42 Anatoly Perminov 42 Nasa 42 Stephen Frick 42 Perminov 41 spacewalks 41 commander Rick Sturckow 41 shuttle Endeavour 41 Endeavour astronauts 41 Atlantis astronauts 41 spokesman Allard Beutel 41 spacewalking partner 40 spaceflight 40 spacewalking astronauts 40 orbiting outpost 40 Discovery astronauts 40 Hubble 40 NASA Administrator 40 commander Peggy Whitson 40 Hoshide 40 director Mike Leinbach 40 Jean Jacques Dordain 40 shuttle Discovery 40 orbiting complex 40 Shuttle Endeavour 39 Shenzhou VI 39 spacewalker 39 Hubble Space Telescope 39 Chamitoff 39 space shuttle Discovery 39 Space shuttle Discovery 39 Isro 39 JAXA 39 space shuttle 39 Shuttle astronauts 38 Gerstenmaier 38 space shuttle Atlantis 38 Daniel Tani 38 Astronauts aboard 38 Suffredini 38 spaceflights 38 Mike Fincke 38 undocking 38 Alan Poindexter 38 GLAST 38 Parazynski 38 Mark Polansky 38 Melroy 38 Robonaut 38 liftoff 38 shuttle missions 37 Tyurin 37 aboard Endeavour 37 lunar landing 37 Alpha Magnetic Spectrometer 37 Space Agency 37 Atlantis 37 ISRO 37 blastoff 37 orbital outpost 37 human spaceflight 37 Russian cosmonaut 37 NASA Jet Propulsion Laboratory 37 Bresnik 37 KENNEDY SPACE CENTER 36 Satish Dhawan Space 36 Wakata 36 Shinkin Asset Management 36 Caldwell Dyson 36 Bigelow Aerospace 36 Space Shuttle Discovery 36 National Ignition Facility 36 shuttle astronauts 36 astronauts 36 Space Station 36 lunar probe 36 manned spacecraft 36 Kathy Winters 36 Andrew Feustel 36 Jet Propulsion Laboratory 36 Fossum 36 suborbital