Related by context. Frequent words. (Click for all words.) 60 Malenchenko 54 Atlantis astronauts 53 aboard Endeavour 52 astronauts 51 Yurchikhin 51 shuttle Atlantis 51 shuttle Discovery 50 astronaut 50 International Space Station 50 orbiting laboratory 50 Flight Engineer 50 spacewalks 49 Discovery astronauts 49 spacecraft 49 space shuttle Endeavour 49 space shuttle Discovery 49 NASA astronaut 48 Fincke 48 shuttle Endeavour 48 shuttle astronauts 47 spacewalker 47 spacewalk 47 Foale 47 Soyuz 47 Atlantis 47 Oleg Kotov 46 Padalka 46 Astronaut 46 Wakata 46 Endeavour astronauts 46 orbit 46 crewmates 46 Chamitoff 46 Space Shuttle Discovery 46 shuttle missions 46 Astronauts 45 Shuttle Endeavour 45 Tokarev 45 Space Shuttle Endeavour 45 Soyuz capsule 45 orbiter 45 Shuttle Atlantis 45 Shuttle Discovery 45 Russian cosmonauts 45 NASA 45 Soyuz TMA 45 spacesuits 45 orbiting lab 44 Space Shuttle Atlantis 44 shuttle 44 Mark Polansky 44 orbiting outpost 44 Russian Soyuz spacecraft 44 Endeavour 43 ISS 43 Space Agency 43 Vinogradov 43 Mission Control 43 Nasa 43 Lopez Alegria 43 orbital outpost 43 lunar orbit 43 Grunsfeld 43 Mastracchio 42 spacewalkers 42 Chiao 42 Soyuz spacecraft 42 spacesuit 42 manned spacecraft 42 Hubble 42 Sharipov 42 Space shuttle Atlantis 42 space shuttle Atlantis 41 Bresnik 41 Mike Fincke 41 spacewalking 41 orbital 41 spaceship 41 Thomas Reiter 41 Russian cosmonaut 41 astronauts aboard 41 LRO 41 spacewalking astronauts 41 Fuglesang 41 Gerstenmaier 41 Michael Lopez Alegria 41 Russian Soyuz capsule 41 orbiting 40 cosmonauts 40 space shuttle 40 Sunita Williams 40 Marshburn 40 orbiters 40 spaceflight 40 Perminov 40 Space shuttle Discovery 40 Tracy Caldwell Dyson 40 rovers 40 Kopra 40 cosmonaut 40 Stefanyshyn Piper