Related by context. Frequent words. (Click for all words.) 70 astronaut Sunita Williams 58 Sunita Williams 54 International Space Station 54 Thomas Reiter 54 orbiting laboratory 53 Michael Lopez Alegria 53 Oleg Kotov 53 Wakata 53 Shuttle Atlantis 53 orbiting outpost 52 shuttle Discovery 52 Daniel Tani 51 orbital outpost 51 shuttle Atlantis 50 Padalka 50 shuttle Endeavour 50 Malenchenko 50 Garrett Reisman 50 space shuttle Discovery 50 shuttle fleet 49 Russian Soyuz spacecraft 49 space shuttle Endeavour 49 Soyuz spacecraft 49 Soyuz rocket 48 aboard Endeavour 48 Foale 47 Shuttle Discovery 47 Shuttle Endeavour 47 Space shuttle Discovery 47 orbiting lab 47 Russian cosmonaut 47 Russian Soyuz capsule 47 Russian Soyuz 47 Flight Engineer 47 Tracy Caldwell Dyson 47 Chamitoff 46 Mike Fincke 46 shuttle astronauts 46 space shuttle Atlantis 46 BAIKONUR Kazakhstan 45 Lopez Alegria 45 Russian Soyuz rocket 45 Soyuz 45 Space Shuttle Atlantis 44 space shuttle 44 astronauts 44 spacewalks 44 Fincke 44 space shuttles 44 NASA astronaut 44 orbiting 43 Space Shuttle Endeavour 43 Endeavour astronauts 43 Soyuz TMA 42 undocked 42 truss segment 42 Space shuttle Atlantis 42 Soyuz craft 42 commander Peggy Whitson 42 Atlantis astronauts 42 docking port 42 Alpha Magnetic Spectrometer 42 Endeavour 42 Soyuz capsule 42 Robonaut 2 42 Space shuttle Endeavour 42 shuttle missions 41 Space Station 41 lunar orbiter 41 shuttle 41 spacewalk 41 Discovery astronauts 41 Yurchikhin 41 astronaut 41 ammonia tank 41 Space Shuttle Discovery 40 shuttles 40 lunar orbit 40 EDWARDS AIR FORCE BASE 40 Russian cosmonauts 39 orbiters 39 undock 39 manned spacecraft 39 orbit 38 ISS 38 spacecraft 38 astronauts aboard 38 crewmates 38 appointed Governing Council 38 Sharipov 38 Fuglesang 37 Space Agency 37 Spacewalkers 37 John Grunsfeld 37 Simonyi 37 mandate expires 37 spacewalking astronauts 37 orbiter 37 spacewalking 37 Baikonur cosmodrome 37 Tokarev