Related by context. Frequent words. (Click for all words.) 60 Gerstenmaier 54 Fincke 50 shuttle Atlantis 48 International Space Station 48 spacewalk 48 Mission Control 47 spacewalker 47 Leinbach 47 orbiting lab 47 Melroy 46 Fossum 46 shuttle Discovery 45 Mike Fincke 45 director Mike Leinbach 45 Wakata 45 Dittemore 45 spacewalks 45 payload bay 45 orbiting outpost 45 Padalka 44 Endeavour astronauts 44 Grunsfeld 44 NASA 44 spacewalkers 44 JAXA 44 Chamitoff 44 Parazynski 43 orbiting laboratory 43 Dextre 43 shuttle Endeavour 43 Perminov 43 Gehman 43 Flight controllers 42 astronauts 42 Soyuz capsule 42 Polansky 42 shuttle missions 42 Space Station 42 orbiter 42 Discovery astronauts 42 NASA Administrator 42 shuttle 42 Lopez Alegria 42 spacewalking astronauts 42 gyroscopes 42 spacewalking 41 Soyuz 41 ammonia tank 41 liftoff 41 Poulos 41 space shuttle Discovery 41 shuttle astronauts 41 undock 40 Mark Polansky 40 undocking 40 spacecraft 40 space shuttle 40 Chiao 40 cosmonauts 40 Shuttle 40 astronaut 40 spacesuits 40 Atlantis astronauts 40 ISS 39 shuttle fleet 39 thrusters 39 Wheelock 39 space shuttles 39 orbit 39 space shuttle Atlantis 39 orbiting 39 Eileen Collins 38 Sharipov 38 Space Agency 38 Shuttle Discovery 38 Nasa 38 thruster 38 spacesuit 38 orbiters 38 Flight Engineer 37 Whitson 37 cosmonaut 37 Space Shuttle Atlantis 37 orbital outpost 37 rotary joint 37 Atlantis 37 Astronauts 37 heat shield 36 Space Shuttle Discovery 36 human spaceflight 36 Endeavour 36 space shuttle Endeavour 36 Feustel 36 Russian cosmonauts 36 Space shuttle Discovery 36 solar arrays 36 Russian Soyuz spacecraft 36 Russian Soyuz 36 NASA astronaut 36 solid rocket boosters 35 Goddard Space Flight