Related by context. Frequent words. (Click for all words.) 62 Lopez Alegria 60 Sunita Williams 57 Padalka 54 Mike Fincke 54 spacewalking 52 Thomas Reiter 52 Mark Polansky 52 spacewalks 51 Wakata 51 International Space Station 50 Malenchenko 49 Chamitoff 49 shuttle Discovery 49 space shuttle Discovery 49 Fincke 49 Soyuz capsule 48 Space Shuttle Discovery 48 Eileen Collins 48 shuttle Atlantis 48 shuttle astronauts 48 Russian Soyuz spacecraft 47 aboard Endeavour 47 Russian Soyuz capsule 47 Space Shuttle Atlantis 46 Endeavour astronauts 46 orbiting laboratory 46 Space shuttle Discovery 46 Shuttle Discovery 46 Flight Engineer 46 orbiting outpost 46 Soyuz spacecraft 45 Space Shuttle Endeavour 45 orbital outpost 45 spacewalk 45 Russian cosmonaut 45 orbiting lab 44 Soyuz 44 Shuttle Endeavour 44 Russian cosmonauts 44 NASA astronaut 44 shuttle Endeavour 43 astronauts 43 spacewalkers 43 Soyuz TMA 42 cosmonaut 42 Sharipov 42 Space Station 42 Discovery astronauts 42 space shuttle Atlantis 42 Atlantis astronauts 42 space shuttle Endeavour 42 undock 42 orbiter 42 shuttle fleet 42 Mission Control 42 Grunsfeld 41 Space Agency 41 Rick Husband 41 shuttle 41 space shuttle 41 Astronaut 41 spacewalker 41 Space shuttle Endeavour 40 astronaut 40 ISS 40 Astronauts 40 spacewalking astronauts 40 shuttle missions 40 Melroy 40 director Mike Leinbach 40 Polansky 40 cosmonauts 39 Mastracchio 39 docking port 39 astronaut corps 39 Baikonur Cosmodrome 39 crewmates 39 airlock 39 spacesuits 39 Space shuttle Atlantis 39 orbiting 39 shuttle robotic arm 39 spacecraft 38 astronauts aboard 38 Endeavour 38 ammonia tank 38 orbiters 38 Suffredini 38 Gerstenmaier 38 Atlantis 37 Perminov 37 Russian Soyuz 37 payload bay 37 lander 37 Chiao 37 orbit 37 Baikonur cosmodrome 37 STS 36 Simonyi 36 NASA 36 Phoenix Mars Lander