Related by context. Frequent words. (Click for all words.) 70 Gregory Chamitoff 66 Sandra Magnus 64 Nicole Stott 63 Padalka 63 Wakata 61 Malenchenko 60 Yurchikhin 59 aboard Endeavour 59 Daniel Tani 59 shuttle Atlantis 58 Garrett Reisman 58 Krikalev 58 International Space Station 57 Michael Foale 57 Harmony module 57 Hoshide 57 Shuttle Atlantis 57 Shuttle Discovery 57 shuttle Discovery 57 Thomas Reiter 57 Russian Soyuz spacecraft 57 Shuttle Endeavour 56 commander Rick Sturckow 56 NASA astronaut 56 Mike Fincke 56 Flight Engineer 56 space shuttle Discovery 56 Kaleri 56 Chamitoff 55 Soyuz 55 commander Peggy Whitson 55 space shuttle Endeavour 54 shuttle Endeavour 54 Mission Specialists 54 Peggy Whitson 54 Space Shuttle Discovery 54 Fincke 54 shuttle missions 54 astronauts 54 Space Shuttle Atlantis 54 Foale 54 Endeavour astronauts 54 Sunita Williams 54 orbiting complex 54 Lopez Alegria 54 astronaut Sunita Williams 54 Oleg Kotov 54 Soyuz craft 53 Lee Archambault 53 Space shuttle Endeavour 53 orbiting laboratory 53 Tracy Caldwell Dyson 53 Russian Soyuz rocket 53 Soyuz rocket 53 ISS 53 Soichi Noguchi 53 Soyuz capsule 53 Space Shuttle Endeavour 53 Space shuttle Discovery 53 Tokarev 52 Discovery astronauts 52 Atlantis astronauts 52 Caldwell Dyson 52 Soyuz spacecraft 52 Rick Mastracchio 52 Astronauts aboard 51 Christer Fuglesang 51 Space shuttle Atlantis 51 Robonaut 2 51 orbital outpost 51 Michael Lopez Alegria 51 shuttle fleet 51 Spacewalking astronauts 51 astronaut 51 Sharipov 51 Soyuz TMA 51 shuttle astronauts 51 Kopra 50 Russian cosmonauts 50 Endeavour 50 Russian Soyuz 50 spacewalks 50 space shuttle Atlantis 50 truss segment 50 Russian Soyuz capsule 50 Shuttle commander 50 Douglas Wheelock 50 shuttle 50 space shuttles 50 Andrew Feustel 50 Spacewalkers 50 Hobaugh 49 Robert Behnken 49 Fuglesang 49 orbiting lab 49 Mike Suffredini 49 space shuttle 49 NASA Astronaut 49 undock 49 orbit 49 spacecraft