Related by context. Frequent words. (Click for all words.) 72 Flight Readiness 53 Space Shuttle Program 52 STS 52 Space Shuttle Atlantis 52 Ares IX rocket 51 Launch Pad #A 51 FRR 50 External Tank 50 Space Shuttle Discovery 49 Discovery STS 49 SMOS 49 PSLV C# 48 Launch Pad #B 48 Space Shuttle Endeavour 48 SpaceX Falcon 9 48 Orbiter 48 Dragon spacecraft 48 Shuttle Launch 47 CAIB 47 Shuttle Atlantis 47 Pad #A 47 ESOC 46 ISS 46 ESA 46 Shuttle astronauts 46 Shuttle 46 orbit insertion 45 NASA 45 Payload 45 Shuttle Discovery 45 SSME 45 Ares IX 45 orbiter 45 STIS 45 downlinked 44 Final EIS 44 ISS Expedition 44 planetary missions 44 NASA Authorization 44 Space Shuttle 44 Mars Lander 44 Human Spaceflight 44 Columbia Accident Investigation 44 Spacecraft 44 SEIS 44 NASA Space Shuttle 44 EVAs 43 Spacewalk 43 undocking 43 Launch Vehicle 43 pad #A 43 Draft EIS 43 space shuttle Discovery 43 Readdy 43 prelaunch 43 NPOESS 43 thruster 43 OSTP 42 Hubble servicing 42 Review 42 unpiloted 42 shuttle Discovery 42 Systems Mission Directorate 42 SuitSat 42 Mike Sarafin 42 Edwards AFB 42 GSLV D3 42 Automated Transfer Vehicle 42 JWST 42 Space Station 41 #:# CEST 41 payload bay doors 41 Launch Complex 41 NEEMO 41 stowage 41 Discovery astronauts 41 Shuttle Endeavour 41 SUPPLEMENTARY INFORMATION 41 Sensing Satellite LCROSS 41 Shenzhou VII 41 spacecraft 41 De Winne 41 Baikonur Kazakhstan 41 heat shield 41 CALIPSO 41 HRSC 41 Mission Directorate 41 L2 40 Commander Eileen 40 Kaleri 40 Wallops Flight Facility 40 shuttle Atlantis 40 Solar Array 40 Shuttle Landing 40 GOES R 40 EUMETSAT 40 undock 40 Taurus XL rocket 40 VAFB 40 JAXA 40 Discovery liftoff