Related by context. Frequent words. (Click for all words.) 42 Hubble servicing 41 Flight Readiness 40 administrator Sean O'Keefe 40 Discovery liftoff 39 shuttle missions 39 review 38 Space Shuttle Program 38 NASA Administrator 37 inspections 37 furlough 37 unpaid furlough 37 Tim Kopra 36 debriefing 36 spokeswoman Diane Spitaliere 36 gradual drawdown 36 furlough notices 36 NASA 35 Egyptian brokered ceasefire 35 inservice 35 Anatoly Perminov 35 lockdown 35 hiring freeze 35 inspection 35 airworthiness directive 35 Shuttle Endeavour 35 spokesman Allard Beutel 35 Roskosmos 34 spokesman Hiro Ueki 34 reevaluation 34 Ares rocket 34 troop rotations 34 debrief 34 Shuttle Atlantis 34 citywide curfew 34 resupply 34 spacewalk 34 shutdown 34 debriefings 33 operational 33 heightened alert 33 space shuttle 33 Nonessential 33 National Airspace System 33 NNSA 33 manager Ron Dittemore 33 Northcom 33 Shuttle Launch 33 Furlough 33 decontamination procedures 33 Operation Swarmer 33 Readdy 33 redeployment 33 Shuttle Discovery 33 X #B 33 medevac 33 reinspect 33 furloughed pilots 33 Nasa 33 unilateral cease fire 32 Roscosmos 32 troop redeployment 32 shuttle fleet 32 Michael Kostelnik 32 Orion capsule 32 suspend 32 nonessential 32 Shuttle astronauts 32 shuttle 32 orbiting telescope 32 Launch Vehicle 32 contingency 32 commanders 32 reexamination 32 shuttle Endeavour 32 Criminal Investigation Command 32 redeploy 32 reevaluate 32 orbit insertion 32 lockdowns 32 Pentagon 32 orbiting observatory 32 commander George Zamka 31 spokeswoman Amy Kudwa 31 blastoff 31 Popovkin 31 evacuation 31 spaceplane 31 liftoff 31 manned missions 31 lunar missions 31 spacecraft 31 Gen. Peter Schoomaker 31 departmentwide 31 NASA Space Shuttle 31 airman studied 31 Orion spacecraft 31 chief Anatoly Perminov 31 inspect 31 Bill Gerstenmaier NASA 31 reassess 31 boardings