Related by context. Frequent words. (Click for all words.) 60 Flight Engineer 59 Wakata 56 aboard Endeavour 56 spacewalk 55 Noguchi 55 International Space Station 53 spacewalks 52 spacewalkers 52 Endeavour astronauts 51 spacewalker 50 astronaut 50 Discovery astronauts 50 NASA astronaut 49 Malenchenko 49 Space Shuttle Discovery 49 Lopez Alegria 49 shuttle Endeavour 49 spacewalking astronauts 49 astronauts 49 space shuttle Discovery 49 spacewalking 49 space shuttle Endeavour 48 Soyuz capsule 48 spacesuits 48 orbiting laboratory 48 Padalka 47 shuttle Atlantis 47 shuttle Discovery 47 Astronauts 47 shuttle astronauts 46 Space Shuttle Atlantis 46 undock 46 Chamitoff 46 Atlantis astronauts 46 crewmates 46 Shuttle Discovery 45 orbiting outpost 45 Parazynski 45 orbiting 45 Space shuttle Discovery 45 Space Shuttle Endeavour 44 Thomas Reiter 44 Fincke 44 Mike Fincke 44 robotic arm 44 orbiter 44 shuttle missions 44 Baikonur cosmodrome 44 Suffredini 44 Mission Control 44 Endeavour 44 JAXA 44 Space shuttle Endeavour 43 Russian cosmonaut 43 orbital outpost 43 Space Agency 43 Russian Soyuz spacecraft 43 Tani 43 Astronaut 43 cosmonauts 43 payload bay 43 docking port 43 undocking 43 Soyuz TMA 43 astronauts aboard 43 orbit 42 space shuttle Atlantis 42 Spacewalk 42 Kibo 42 liftoff 42 Shuttle Endeavour 41 ammonia tank 41 orbiting lab 41 Japan Aerospace Exploration 41 crewmate 41 Space shuttle Atlantis 41 Baikonur Cosmodrome 41 Flight controllers 40 Space Station 40 Soyuz spacecraft 40 Russian cosmonauts 40 gyroscope 40 space shuttle 40 Ares IX 40 spacecraft 40 Hubble Space Telescope 40 Mark Polansky 40 ISS 39 Chiao 39 shuttle 39 Sunita Williams 39 spacesuit 39 Fossum 39 NASA 39 Hubble telescope 39 cosmonaut 39 Russian Soyuz capsule 38 Grunsfeld 38 Gerstenmaier 38 Soyuz 38 lunar orbit