Related by context. Frequent words. (Click for all words.) 52 Shuttle astronauts 51 Shuttle Discovery 51 Alexander Kaleri 51 Shuttle Atlantis 51 spacemen 50 Endeavour astronauts 50 Dan Tani 50 Space shuttle Endeavour 50 Discovery astronauts 49 Spacewalkers 49 Space shuttle Discovery 49 crewmembers aboard 48 Russian cosmonaut Gennady Padalka 48 Timothy Kopra 48 Tim Kopra 48 Endeavour 47 Lee Archambault 47 shuttle Endeavour 47 shuttle Atlantis 47 Astronauts 47 space shuttle Discovery 47 Koichi Wakata 47 ISS Expedition 47 Oleg Skripochka 47 astronauts 47 Atlantis astronauts 47 CAPE CANAVERAL FL 47 space shuttle Endeavour 46 EDWARDS AIR FORCE BASE 46 spacewalks 46 Shuttle Endeavour 46 Spacewalking astronauts 46 Kaleri 46 Nicole Stott 46 Mikhail Tyurin 46 shuttle Discovery 45 spacewalkers 45 Mikhail Kornienko 45 KENNEDY SPACE CENTER 45 Andrew Feustel 45 Gregory Chamitoff 45 commander Rick Sturckow 45 space shuttle Atlantis 45 Atlantis 45 crewmembers 45 orbiting complex 45 shuttle missions 45 Mike Fincke 45 Tony Antonelli 44 Commander Peggy Whitson 44 Oleg Kononenko 44 spacewalk 44 Greg Chamitoff 44 Discovery STS 44 Space shuttle Atlantis 44 shuttle payload bay 44 Lonchakov 44 NASA astronaut corps 44 Space Shuttle Atlantis 44 commander George Zamka 44 Mission Specialists 44 spacewalking astronaut 43 Two spacewalking astronauts 43 orbiting astronauts 43 shuttle 43 Discovery payload bay 43 Launch Pad #B 43 orbital maneuvering system 43 dockings 43 6 #/#-hour spacewalk 43 orbital 43 Eric Boe 43 Blasts Off 43 spacewalking 42 Astronaut Nicole Stott 42 shuttle thermal tiles 42 Quest airlock 42 Heidemarie Stefanyshyn Piper 42 Ares IX rocket 42 thrusters 42 crewmates 42 Baikonur Kazakhstan 42 Garrett Reisman 42 Tracy Caldwell Dyson 42 Roberto Vittori 42 crew 42 astronaut Leopold Eyharts 42 rocket boosters 42 International Space Station 42 Hayabusa probe 42 Daniel Tani 42 Frank De Winne 42 Soyuz capsule carrying 42 orbital module 42 commander Dominic Gorie 41 Eyharts 41 crewmen aboard 41 astronauts aboard 41 micrometeorite damage 41 pressurized compartment 41 Kenneth Ham