Related by context. Frequent words. (Click for all words.) 84 foam insulation 65 foam 61 liftoff 60 heat shield 58 thermal tiles 54 orbiter 52 space shuttle 51 space shuttle Discovery 50 shuttle Discovery 48 shuttle missions 48 Gerstenmaier 47 shuttle 47 thermal blanket 46 space shuttle Atlantis 46 nose cone 46 Dittemore 46 Columbia disintegrated 45 solid rocket boosters 45 space shuttles 45 Columbia Accident Investigation 45 Space Shuttle Discovery 44 Cape Canaveral Fla. 44 space shuttle Endeavour 43 Foam 43 spacecraft 43 shuttle fleet 43 insulation 42 rocket booster 42 NASA 42 fuselage 41 shuttle Endeavour 41 landing gear 41 Discovery astronauts 41 Kennedy Space 41 shuttle Atlantis 40 Endeavour 40 orbiters 40 sealant 40 astronauts 39 liquid hydrogen 39 Gehman 39 debris 39 outer shell 39 Space Shuttle 39 thermal insulation 39 booster rocket 39 undocking 39 Soyuz capsule 38 spacewalkers 38 meteorites 38 Soyuz 38 tiles 38 dings 38 Taepodong 2 38 liquid oxygen 37 Atlantis 37 corrosion 37 LCROSS 37 protective coating 37 Sriharikota 37 blowout preventer 37 containment vessel 36 Qantas A# 36 spacewalk 36 vinyl siding 36 CAPE CANAVERAL Fla. 36 Cape Canaveral Air Force 36 thruster 36 Cape Canaveral 36 ceiling panels 36 exterior walls 36 Rolls Royce Trent 36 gouges 36 sidewall 36 astronauts aboard 36 spacesuits 36 Nasa 36 Space shuttle Discovery 35 Hayabusa 35 Martian surface 35 undercarriage 35 Shuttle 35 shuttle astronauts 35 tile 35 structural integrity 35 asteroid 35 bird droppings 35 range Taepodong 35 spaceship 35 underside 34 aluminum siding 34 spacesuit 34 Mission Control 34 Parazynski 34 lander 34 hull 34 plaster 34 ceiling tiles 34 spacewalking astronauts 34 JAXA 34 International Space Station