Related by context. Frequent words. (Click for all words.) 57 Mark Polansky 55 Mission Control 53 Eileen Collins 51 Mike Fincke 48 Discovery astronauts 47 Fincke 47 Rick Husband 46 John Grunsfeld 46 NASA 46 Michael Lopez Alegria 45 space shuttle Discovery 45 Space Shuttle Discovery 45 Endeavour astronauts 45 shuttle robotic arm 45 International Space Station 45 Space Shuttle Atlantis 44 liftoff 44 blastoff 44 Padalka 44 Space shuttle Atlantis 43 Flight Engineer 43 space shuttle Endeavour 43 spacewalk 43 Lopez Alegria 43 Nasa 43 Grunsfeld 43 spacewalkers 42 shuttle astronauts 42 crewmates 42 shuttle Atlantis 42 Flight controllers 42 undocking 42 Chamitoff 42 orbiter 42 Melroy 42 astronauts 42 Shuttle Discovery 41 Space Shuttle Endeavour 41 Space Station 41 shuttle Endeavour 41 Wakata 41 Shuttle Atlantis 41 Astronauts 41 space shuttle 40 Kostelnik 40 Shuttle Endeavour 40 director Mike Leinbach 40 Mars Reconnaissance Orbiter 40 NASA Jet Propulsion Laboratory 40 thermal blanket 40 Parazynski 40 Malenchenko 40 CAPE CANAVERAL Fla. 40 spacecraft 40 astronaut 40 Curbeam 39 Foale 39 Tyurin 39 JAXA 39 Mastracchio 39 Nespoli 39 robotic arm 39 Astronaut 39 shuttle Discovery 39 Space Shuttle 39 NASA astronaut 39 aboard Endeavour 38 Ares IX 38 Yurchikhin 38 Bresnik 38 shuttle 38 Sharipov 38 Oleg Kotov 38 By Irene Klotz 38 Tracy Caldwell Dyson 38 Space shuttle Discovery 38 Chiao 38 Atlantis astronauts 38 radioing 38 Kennedy Space 38 spacewalking 38 Feustel 38 thrusters 38 Space Agency 38 LeRoy Cain 38 radioed 37 Soyuz TMA 37 spacewalker 37 Endeavour 37 undocked 37 Jet Propulsion Laboratory 37 Cassini 37 undock 37 space shuttle Atlantis 37 Gerstenmaier 37 orbit 37 spacewalks 37 lander 37 Behnken 37 shuttle missions 36 Cape Canaveral