Related by context. Frequent words. (Click for all words.) 56 commander Peggy Whitson 55 Shuttle Discovery 55 John Grunsfeld 55 commander Rick Sturckow 54 Mark Polansky 54 Lee Archambault 54 Mike Fincke 54 space shuttle Discovery 53 Mission Control 53 Andrew Feustel 53 orbiter 53 Mike Suffredini 53 Fincke 52 Space Shuttle Discovery 52 director Mike Leinbach 52 shuttle Discovery 52 Discovery astronauts 51 Space Shuttle Atlantis 51 Spacewalking astronauts 51 shuttle Atlantis 51 orbiting complex 51 Grunsfeld 50 Shuttle Endeavour 50 Spacewalkers 50 Bill Gerstenmaier NASA 50 shuttle Endeavour 50 Readdy 50 Chamitoff 49 Michael Lopez Alegria 49 Endeavour astronauts 49 spacewalkers 49 Space shuttle Atlantis 49 Shuttle Atlantis 49 Space shuttle Discovery 49 Alan Poindexter 49 Parazynski 49 Atlantis astronauts 48 Soyuz rocket 48 Yurchikhin 48 astronauts 48 shuttle 48 Nicole Stott 48 spacewalker 48 Shuttle commander 48 spacecraft 48 NASA 48 Space Shuttle Endeavour 48 Bill Gerstenmaier 48 International Space Station 47 KENNEDY SPACE CENTER 47 Endeavour 47 shuttle astronauts 47 Daniel Tani 47 Caldwell Dyson 47 LeRoy Cain 47 Hobaugh 47 Endeavour belly 47 Huygens 47 Kaleri 47 Nasa 47 Brent Jett 46 Soyuz 46 undock 46 Curbeam 46 Krikalev 46 space shuttle Atlantis 46 space shuttle 46 Tracy Caldwell Dyson 46 Ares IX 46 Leinbach 46 Padalka 46 lander 46 Atlantis 46 space shuttle Endeavour 46 spaceship 46 Foale 46 Space Shuttle 46 Rick Husband 45 Mission Specialists 45 spacewalk 45 Malenchenko 45 Linnehan 45 Anatoly Perminov 45 orbiting laboratory 45 Wakata 45 Nespoli 45 aboard Endeavour 45 Lopez Alegria 45 Gerstenmaier 45 Hubble 45 spacewalking 45 spacewalking astronauts 44 spacemen 44 Mastracchio 44 Eileen Collins 44 Kibo 44 Sunita Williams 44 Stefanyshyn Piper 44 lunar module 44 spokesman Allard Beutel 44 liftoff