Related by context. Frequent words. (Click for all words.) 51 insulation foam 48 insulating foam 48 tank foam insulation 47 thermal tiles 47 shuttle Discovery 46 liftoff 46 foam insulation 46 insulation 46 gashed wing 44 thermal tile 44 Columbia disintegrated 44 shuttle Atlantis 44 heat shield 43 space shuttle 43 shuttle Challenger 43 space shuttle Discovery 43 Mars Polar Lander 42 shuttle disintegrated 42 orbiter 42 faulty 42 Orbiting Carbon Observatory 41 Hubble servicing 41 micrometeorites 41 delamination 40 rapid decompression 40 recounts kidnapping 40 manager Ron Dittemore 40 gap fillers 40 Endeavour belly 40 spacewalking astronaut 40 shuttle fleet 40 spacewalk 40 space shuttle Atlantis 39 Christa McAuliffe backup 39 faulty wiring 39 vapor barrier 39 Skylab 39 NASA 39 Dittemore 39 faulty accelerator pedals 39 malfunctioning 39 subfloor 39 spacecraft 39 Discovery astronauts 39 Caldwell Dyson 39 corrosion 39 Shuttle Launch 39 leaky roofs 39 failures 38 faulty electrical wiring 38 Two spacewalking astronauts 38 Spacewalk 38 blown fuse 38 Endeavour astronauts 38 fiery gases 38 space shuttles 38 uninsulated 38 Chandrayaan 38 Spacewalkers 38 Spacewalking astronauts 38 foam 38 Kaleri 38 astronauts 38 rocket boosters 38 solid rocket boosters 38 aboard Endeavour 38 spacewalkers 37 caulked 37 sticky pedals 37 shuttle missions 37 orbiting shuttle 37 shuttle Endeavour 37 shuttle 37 Taurus XL rocket 37 astronauts aboard 37 floor joists 37 Shuttle Discovery 37 leaky roof 37 depressurized 37 poorly insulated 37 Global Surveyor 37 Faulty 37 Shuttle astronauts 37 Big Dig highway 37 Challenger exploded 37 dry rot 37 corroded 37 Space Shuttle Atlantis 36 Shuttle Endeavour 36 underlayment 36 malfunction 36 Space Shuttle Discovery 36 rotting wood 36 blastoff 36 leaks 36 structural defects 36 defective 36 bureaucratic inertia 36 spacewalking astronauts 36 gap filler 36 booster rockets