Related by context. Frequent words. (Click for all words.) 54 director Mike Leinbach 49 Mission Control 48 Mark Polansky 46 undock 45 Shuttle Discovery 44 Lee Archambault 44 commander Peggy Whitson 44 NASA 44 KENNEDY SPACE CENTER 44 space shuttle 43 liftoff 43 space shuttle Discovery 42 Space Shuttle Discovery 42 spokesman Allard Beutel 42 Kennedy Space 42 Space Shuttle Atlantis 42 Endeavour astronauts 41 Mission Specialists 41 space shuttle Atlantis 41 commander Rick Sturckow 41 shuttle 41 aboard Endeavour 41 orbiter 41 astronauts 41 Space Shuttle Endeavour 41 space shuttle Endeavour 41 Malenchenko 41 spacecraft 41 Grunsfeld 40 Andrew Feustel 40 International Space Station 40 shuttle missions 40 shuttle Atlantis 40 Shuttle Atlantis 40 Leinbach 40 Nicole Stott 39 Bill Gerstenmaier NASA 39 Caldwell Dyson 39 Michael Lopez Alegria 39 Yurchikhin 39 Shuttle Endeavour 39 Tracy Caldwell Dyson 38 LeRoy Cain 38 Columbia disintegrated 38 spacewalkers 38 Space Station 38 radioed 38 heat shield 38 Roskosmos 38 astronauts aboard 38 Spacewalking astronauts 38 Readdy 38 Flight controllers 38 Space Shuttle Columbia 38 payload bay 38 Atlantis astronauts 37 Space shuttle Discovery 37 Spacewalk 37 spacewalk 37 Cape Canaveral Fla. 37 blastoff 37 Spacewalkers 37 Astronauts 37 NASA Jet Propulsion Laboratory 37 shuttle Discovery 37 Flight Engineer 37 liquid hydrogen 37 Gerstenmaier 37 NASA Space Shuttle 37 Discovery astronauts 37 spaceship 37 undocked 37 Bill Gerstenmaier 37 Rick Husband 37 prelaunch 37 Russian Soyuz rocket 37 Soyuz capsule 37 Alan Poindexter 37 John Grunsfeld 36 Space Shuttle 36 Nasa 36 orbit 36 shuttle Endeavour 36 Lopez Alegria 36 Orion spacecraft 36 Anatoly Perminov 36 Brent Jett 36 thermal tile 36 astronaut 36 spacesuits 36 smelling smoke 36 crew 36 Mike Fincke 35 Space Agency 35 orbiting laboratory 35 Shuttle commander 35 CAPE CANAVERAL 35 NASA astronaut 35 NASA Administrator 35 Ares IX 35 Soyuz TMA