Related by context. Frequent words. (Click for all words.) 47 John Grunsfeld 47 Kibo 45 commander Peggy Whitson 44 Wakata 44 commander Rick Sturckow 43 Discovery astronauts 43 orbiting outpost 43 Mission Specialists 42 Mark Polansky 42 Soichi Noguchi 42 aboard Endeavour 42 Space Agency 42 Mastracchio 41 shuttle astronauts 41 spacewalkers 41 Chamitoff 41 Daniel Tani 41 Melroy 40 spacewalker 40 Tracy Caldwell Dyson 40 spacewalks 40 Yurchikhin 40 Canadarm 40 Mike Fincke 40 Grunsfeld 40 shuttle robotic arm 40 International Space Station 39 Linnehan 39 spacewalk 39 Spacewalkers 39 Space Shuttle Discovery 39 Dextre 38 Endeavour astronauts 38 payload bay 38 spacewalking astronauts 38 spacewalking 38 cupola 38 JAXA 38 Bill Gerstenmaier 38 Curbeam 38 Parazynski 38 Michael Lopez Alegria 38 Alan Poindexter 38 Shuttle commander 37 Garrett Reisman 37 robotic arm 37 orbital outpost 37 LeRoy Cain 37 Oleg Kotov 37 shuttle Endeavour 37 Space Shuttle Atlantis 37 Orbital Sciences 37 director Mike Leinbach 36 Mission Control 36 flagpole 36 truss segment 36 lunar lander 36 Robonaut 2 36 Nespoli 36 Space Station 36 shuttle Atlantis 36 Orbital Sciences Corporation 36 Space Shuttle Endeavour 36 Fincke 36 Orbital Sciences Corp. 35 Suffredini 35 orbiting 35 Kalpana Chawla 35 Feustel 35 JWST 35 Readdy 35 NASA astronaut 35 Space shuttle Discovery 35 Ares IX 35 lunar module 35 Lopez Alegria 35 Bresnik 35 cosmonaut 35 NASA Jet Propulsion Laboratory 35 geosynchronous orbit 35 astronaut Sunita Williams 35 Malenchenko 35 lunar orbit 34 crewmates 34 Alpha Magnetic Spectrometer 34 docking port 34 Stefanyshyn Piper 34 astronauts 34 spacecraft 34 solar arrays 34 Atlantis astronauts 34 orbit 34 Sunita Williams 34 Applied Physics Laboratory 34 cosmonauts 34 space shuttle Discovery 34 Leinbach 34 NASA Goddard 34 lunar landing 34 Garan 34 Soyuz capsule