Related by context. Frequent words. (Click for all words.) 49 Mike Fincke 46 Eileen Collins 45 Chamitoff 44 Malenchenko 44 spacewalk 44 Mark Polansky 42 Fincke 42 Wakata 42 spacewalkers 41 Mission Control 41 spacewalks 41 shuttle Discovery 41 shuttle Endeavour 40 shuttle Atlantis 40 space shuttle Endeavour 40 Parazynski 39 spacewalker 38 space shuttle Discovery 38 blastoff 38 Melroy 38 astronaut 38 Korolyov 38 cosmonaut 38 Endeavour astronauts 37 Lopez Alegria 37 Flight controllers 37 Grunsfeld 37 Atlantis astronauts 37 Padalka 36 spaceflight 36 shuttle astronauts 36 Whitson 36 Gerstenmaier 36 Tani 36 space shuttle 36 Space Shuttle Atlantis 36 Sharipov 36 NASA astronaut 36 Shuttle Discovery 35 Space Shuttle Endeavour 35 spacewalking 35 Satcher 35 Cape Canaveral Fla. 35 liftoff 35 orbiting outpost 35 Melvill 35 Space Shuttle Discovery 35 Thomas Reiter 35 orbiting laboratory 35 space shuttle Atlantis 35 Chiao 35 International Space Station 34 Flight Engineer 34 Baikonur Cosmodrome 34 astronauts 34 crewmates 34 orbit 34 Space shuttle Discovery 34 astronauts aboard 34 Baikonur 34 Space shuttle Atlantis 34 Bolden 33 Dittemore 33 Gagarin 33 spacewalking astronauts 33 spacecraft 33 orbital outpost 33 director Mike Leinbach 33 Discovery astronauts 33 aboard Endeavour 33 CAPE CANAVERAL Fla. 33 Russian cosmonaut 33 orbiter 33 orbiting 33 Astronauts 33 Fossum 33 Soyuz TMA 32 Space shuttle Endeavour 32 Endeavour 32 Feustel 32 payload bay 32 Suffredini 32 Hubble 32 orbiting lab 32 Polansky 32 NASA Administrator 31 Rick Husband 31 Atlantis 31 Russian Soyuz capsule 31 Cassini 31 Space Agency 31 Baikonur cosmodrome 31 Leinbach 31 CAPE CANAVERAL 31 Soyuz capsule 31 Shenzhou 30 Soyuz 30 NASA 30 shuttle missions 30 JAXA 30 Simonyi