Related by context. Frequent words. (Click for all words.) 44 crewmates 44 crewmate 43 Flight Engineer 41 shuttle astronauts 40 spacewalkers 40 Mike Fincke 39 Foale 39 spacewalk 38 crewmember 38 International Space Station 38 astronauts 38 Behnken 38 Mission Control 37 Yurchikhin 37 John Grunsfeld 37 Stefanyshyn Piper 36 Discovery astronauts 36 astronaut 36 space shuttle Discovery 36 NASA astronaut 36 Tracy Caldwell Dyson 36 Grunsfeld 36 crew 36 spacewalking 36 Endeavour astronauts 35 ISS 35 Oleg Kotov 35 crewman 35 Space Shuttle Endeavour 35 Lopez Alegria 35 Padalka 35 shuttle Endeavour 35 Space Station 35 spacewalker 35 Mastracchio 34 Garan 34 Fuglesang 34 crewmembers 34 Flight controllers 34 Tani 34 Curbeam 34 Atlantis astronauts 34 Thomas Reiter 34 Astronaut 34 cosmonaut 34 space shuttle Endeavour 34 crewmen 34 orbiting outpost 33 Astronauts 33 ham radio 33 shuttle Atlantis 33 Wakata 33 Sunita Williams 33 Nasa 32 Fincke 32 Apollo astronauts 32 Lt. jg 32 astronauts aboard 32 copilot 32 Petty Officer 2nd 32 Michael Lopez Alegria 32 Hubble Space Telescope 32 Space Shuttle Discovery 32 Space Agency 31 Nespoli 31 Chamitoff 31 Chief Warrant Officer 31 spacewalks 31 Rick Husband 31 Malenchenko 31 Eileen Collins 31 Fossum 31 NASA Administrator 31 Parazynski 31 orbiting laboratory 30 shuttle Discovery 30 Space Shuttle Atlantis 30 Russian cosmonauts 30 Shuttle Endeavour 30 aboard 30 NASA 30 Endeavour 30 Hubble 30 aboard Endeavour 30 Melroy 30 ammonia tank 29 orbiting lab 29 Suffredini 29 shipmates 29 orbiter 29 Mark Polansky 29 space shuttle 29 shortwave radio 29 Marshburn 29 Shuttle Discovery 29 spacewalking astronauts 29 truss segment 29 orbital debris 29 Tokarev 28 Russian cosmonaut 28 undocking