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(Click for frequent words.) 71 Launch Vehicle EELV 71 Air Force Evolved Expendable 66 H IIA 65 Exploration Vehicle 65 SpaceX Falcon 65 Vehicle CEV 65 Orion Crew 64 Reusable Launch Vehicle 63 Crew Launch Vehicle 63 Satellite Launch 63 NROL 62 Geo synchronous 62 Launch Abort System 62 COSMO SkyMed 62 GPS IIR 62 Reaches Orbit 62 Orbital Taurus 62 Minotaur IV 61 Lunar Orbit 61 STPSat 61 Satellite GOSAT 61 Atlas IIAS 61 PSLV C# 61 Vehicle ATV 61 CubeSat 61 SpaceX Falcon 9 60 Minotaur rocket 60 Launch Scrubbed 60 STP S# 60 Sounding Rocket 60 Exploration Vehicle CEV 60 spaceplane 60 Space Launch Vehicle 60 Pegasus XL 60 BepiColombo 59 communication satellite GSAT 59 Evolved Expendable Launch Vehicle 59 Rockot 59 Payloads 59 Operationally Responsive Space 59 satellite GSAT 59 Satellite Successfully Launched 59 EELVs 59 Zenit 3SL 59 Recovery Experiment SRE 59 STSS Demo 59 Suborbital 59 TacSat 59 Wideband Global 59 SATCOM Satellite 59 Antenna LISA 59 spacecraft 59 PSLV C6 58 Satellite Launch Vehicle 58 NASA Gamma ray 58 Titan IVB 58 unpiloted 58 CubeSats 58 H IIB 58 Fregat upper stage 58 Unmanned Aircraft System 58 Soyuz FG 58 WhiteKnightTwo WK2 58 ARCTUS 58 Space Capsule 58 Solar Sail 58 Continuity Mission LDCM 58 Orbital Express 58 Expendable Launch Vehicle 58 Greenhouse Gases Observing 58 Express AM# 58 Ariane launcher 58 NFIRE 58 Soyuz Fregat 58 Solid Rocket 58 Vehicle MPCV 58 Jupiter Icy Moons 58 NASA Ares IX 58 Jules Verne Automated Transfer 57 FASTSAT 57 Laser Interferometer Space 57 Rocket Launch 57 Risky Spacewalk 57 Cygnus spacecraft 57 Satellite Launch Vehicle GSLV 57 Into Orbit 57 Taurus XL rocket 57 Manned Spacecraft 57 Space Station Crew 57 Ariane 5G 57 Dyna Soar 57 Scramjet 57 Educator Astronaut 57 Cargo Launch Vehicle 57 Geosynchronous Satellite Launch Vehicle 57 aboard SpaceX Falcon 57 payload fairing 57 ARES IX 57 GPS 2R 57 nanosatellite 57 Atlas 2AS 57 Spy Satellite 57 Ariane launchers 57 Experiment Logistics 57 GPS IIR M 57 manned spaceships 57 Vehicle GSLV 57 4th Spacewalk 57 JCSAT 57 ULA Atlas 57 Cloud Aerosol Lidar 56 AEHF 56 Shuttle Crew 56 HyShot 56 space module Tiangong 56 Kosmos 3M rocket 56 Wideband Gapfiller Satellite 56 GSLV D3 rocket 56 Tanegashima Space Center 56 LISA Pathfinder 56 MetOp satellite 56 Kosmos 3M 56 NASAs 56 System MUOS 56 Jules Verne ATV 56 nanosatellites 56 Orion spacecraft 56 Orbital Sciences Corporation 56 experimental payloads 56 SpaceLoft XL 56 Manned Spaceflight 56 ILS Proton Breeze 56 Molniya 56 Skynet 5C 56 FalconSat 56 probe Chang'e 56 Ballistic Missile 56 Cubesat 56 SMEX 56 Crew Prepares 56 Launch Postponed 56 NASA Stratospheric Observatory 56 Vehicle OBV 56 Block 5D 56 Ariane rocket 56 Geo IK 56 dexterous robot 56 orbital rendezvous 56 CCDev 56 Electric Propulsion 56 Nanosatellite 56 Manned Flight 56 Unmanned Aerial Vehicle 55 KSLV 55 SPACE SHUTTLE 55 GSAT 5P 55 Orion Launch Abort 55 Ares I. 55 Alexander Samokutyaev 55 Technology Demonstrator 55 Solid Rocket Boosters 55 Tactical Tomahawk 55 Earth Observation Satellite 55 System GMLRS 55 PSLV C7 55 GSLV rocket 55 JCSAT 9 55 SSME 55 Kazakhstan Baikonur Cosmodrome 55 GSLV D3 55 Ares rocket 55 Pilot George Zamka 55 Orbital Pegasus 55 Spacesuits 55 Multi Purpose Crew 55 SpaceLoft XL rocket 55 Plane OSP 55 Yuri Lonchakov 55 Remote Sensing Satellite 55 Servicing Mission 55 Geosynchronous 55 SpaceX Dragon 55 uncrewed 55 GOES O 55 Lunar CRater Observation 55 PSLV C 55 Foton spacecraft 55 INSAT 4CR 55 Spacecraft 55 System Block IIR 55 GPS Block IIF 55 DART spacecraft 55 KSLV 1 55 Unmanned Combat Air 55 SSMEs 55 High Frequency AEHF 55 Proton Breeze M 55 spacecraft Shenzhou 55 Blackswift 55 Thales Alenia 55 Autonomous Rendezvous Technology 55 Giove B 55 Lifts Off 54 Weightless Wonder 54 Astrium Satellites 54 Zenit 3SLB 54 Altair lunar lander 54 Asteroid Mission 54 Geostationary 54 Kliper 54 Final Spacewalk 54 Readiness Review 54 Advanced Extremely 54 SBIRS HEO 54 Mars Atmosphere 54 VINASAT 1 54 Dnepr rocket 54 NOAA GOES 54 ESA Automated Transfer 54 ATV Jules Verne 54 Solar Arrays 54 Transfer Vehicle HTV 54 Baikonur Cosmodrome Kazakhstan 54 payloads 54 PSLV 54 Shuttle Derived 54 EELV 54 ARISSat 54 Spacesuit 54 Launched Successfully 54 ST5 54 Jupiter Icy Moons Orbiter 54 weather satellite TIROS 54 MPCV 54 LRO LCROSS 54 ELM PS 54 geo synchronous transfer 54 RESOURCESAT 54 Wide Procurement SEWP 54 Molnia M 54 Sinosat 54 E'Prime 54 Japanese Experiment Module 54 HTV2 54 Vandenberg AFB Calif. 54 GSLV Geosynchronous Satellite Launch 54 geosynchronous satellite launch 54 astronauts Nicole Stott 54 Short Range Ballistic 54 Test Vehicle OTV 54 Fregat 54 spacecrafts 54 Alliance Successfully Launches 54 Human Spaceflight 54 deorbit 54 MILSATCOM 54 Orion Ares 54 Yaogan 54 Stratospheric Observatory 54 AEHF satellite 54 Atlas V 54 Variable Specific 54 Arabsat 5A 54 Orbital Sciences Taurus 54 MetOp 54 reusable spacecraft 54 O OREOS 53 3rd SOPS 53 Multi Purpose Logistics 53 satellite Giove 53 Situ Resource 53 Skynet 5B 53 GSLV D2 53 Scout Vertical Takeoff 53 X #B 53 MRM1 53 Merlin 1C 53 Huygens Probe 53 Orion CEV 53 Atlantis Undocks From 53 MidSTAR 53 Heavy Lift 53 Tactical Reconnaissance 53 GPS IIF 53 Landing Tactical Unmanned 53 TDRSS 53 Guided Multiple 53 Sacred Vessel 53 Proba 2 53 VASIMR 53 Cargo Carrier 53 Ocean Salinity SMOS 53 Taurus XL 53 Helios 2B 53 Experiment Logistics Module 53 Observation Satellite 53 Space Telescope GLAST 53 X #B Orbital 53 Titan 4B 53 Orbital Sciences Corp 53 NAVSTAR Global Positioning System 53 Cosmodrome 53 Rokot 53 Relative Navigation 53 liquid propellant 53 MEASAT 3a 53 Evolved Expendable Launch 53 Barry Wilmore 53 CHIPSat 53 INSAT 4C 53 Interior Laboratory GRAIL 53 ASTRA 1L 53 Plesetsk Cosmodrome 53 Synchronized Position Hold 53 Nanosat 53 Falcon 1e 53 Ares V 53 MP RTIP 53 UCAV 53 Astronauts Begin 53 Transformational Satellite Communications 53 Technology Demonstration JCTD 53 Optus D3 53 DragonLab 53 Astronauts Prepare 53 Lunar Probe 53 Launch Rocket 53 KOMPSAT 53 Automated Transfer Vehicle 53 geostationary transfer 53 Orion capsule 53 System SBIRS 53 Based Infrared 53 Alphasat 53 Small Diameter Bomb 53 CARTOSAT 53 unarmed Minuteman 53 NigeriaSat 53 Meteorological Satellite 53 Shuttle Endeavor 53 Technology Insertion 53 Commander Charlie Hobaugh 53 Joint Capability 53 specialists Scott Parazynski 53 AEHF satellites 53 Synthetic Aperture Radar 53 Russian Soyuz Fregat 53 Highly Adaptable Satellite 53 Lunar Exploration 53 Insat 4B 53 Submarine Launched 53 manned Shenzhou 53 Venus Climate Orbiter 53 Hypersonic Flight 53 Propulsion System 53 Pirs docking compartment 53 Orbital Sciences 53 ISRO Polar 53 Geo Synchronous Satellite Launch 53 Phobos Grunt 53 Reduced Gravity 53 Max Launch Abort 53 Orbital Sciences Pegasus 53 Arianespace Ariane 5 53 ESMD 53 Oceansat 53 Landsat Data 52 Earth Orbit MEO 52 NCADE 52 pressurized mating 52 ILS Proton rocket 52 aboard Vostok 52 Vehicle PSLV rocket 52 SpaceDev Dream Chaser 52 IBEX spacecraft 52 Orbital Debris 52 docking compartment 52 Crew Exploration 52 Successfully Launched 52 Progress resupply 52 Unmanned Aircraft 52 PSLV C8 52 Shenzhou VIII 52 ESA CNES 52 J 2X 52 Astronauts Arrive 52 Rover MER 52 shuttle Endeavour STS 52 Postpones Launch 52 payload 52 SpaceLoft 52 Sineva 52 GIOVE B 52 Orbital Successfully Launches 52 Geosynchronous Transfer Orbit GTO 52 SpaceX Dragon spacecraft 52 Versatile Affordable 52 manned spaceship 52 Russian cosmonauts Alexander Kaleri 52 Endeavour STS 52 Satellite Launch Vehicle PSLV 52 Lunar Orbiter 52 CX OLEV 52 Lockheed Martin Delivers 52 X #A WaveRider 52 Hubble Servicing 52 suborbital sounding 52 Lunar Lander 52 Advanced Propulsion 52 Aboard Atlantis 52 Simonetta Di Pippo ESA 52 NASA 52 Dragon spacecraft 52 dummy payload 52 Payload 52 Zenit 3SL rocket 52 lunar landers 52 Aerial Vehicle 52 II D5 Fleet 52 PSLV C# rocket 52 High Altitude Airship 52 Vehicle SUGV 52 Reliability Enhancement 52 LightSail 52 INSAT 3A 52 Turksat 3A 52 pressurized module 52 Vehicles UAVs 52 NASA Spacecraft 52 Guided Missile 52 Space Shuttle 52 SpaceshipTwo 52 Martian rover 52 Nuclear Spectroscopic Telescope Array 52 SPHERES 52 MErcury Surface Space ENvironment 52 Lunar Rover 52 Radar Modernization 52 Vehicle PSLV 52 geosynchronous transfer orbit 52 Vehicle PSLV C9 52 Koreasat 52 SELENE probe 52 Atlas Centaur 52 Interorbital Systems 52 Ares 52 Skynet 5A 52 ULA Delta 52 Unmanned Aerial 52 BSAT 3a 52 Pluto Kuiper Belt 52 Ocean Salinity 52 nEUROn 52 Contract Modification 52 NPO Lavochkin 52 Infrared Camera 52 TDRS K 52 ramjet engine 52 Closest Approach 52 Space Station Status 52 unmanned Progress 52 Lunar Module Pilot 52 RBSP 52 Soyuz TMA spacecraft 52 ESA SMART 52 Take Spacewalk 52 Logistics Module 52 PSLV rocket 52 Ground Based Midcourse 52 Foton M3 52 Relations Observatory STEREO 52 Soyuz 52 HEO payload 52 THEMIS Image 52 manned spacecraft 52 Plesetsk 52 Convection Rotation 52 NAVSTAR 52 lunar probe Chang'e 52 Microgravity 52 PSLV C9 52 Cosmo SkyMed 52 lunar spacecraft 52 MPLM 52 Space Shuttle Launch 51 George Zamka 51 KazSat 51 geo synchronous 51 SpaceShipTwo SS2 51 Commercial Resupply Services 51 specialists Nicole Stott 51 Infrared Astronomy SOFIA 51 Mars Pathfinder lander 51 Terrier Orion 51 Apstar 51 Briz M booster 51 Ares IX rocket 51 windshield wiper maneuver 51 RLV 51 geosynchronous transfer 51 suborbital rocket 51 Shuttle Docks 51 Deep Impact Extended 51 director Chuck Dovale 51 geosynchronous 51 Insat 51 spokesman Michael Braukus 51 UAV 51 Infrared Pathfinder Satellite 51 Spacewalks 51 Mobile User Objective 51 Infrared Astronomy 51 Program DMSP 51 Block IIF 51 AirLaunch 51 Early Ammonia Servicer 51 Airborne Laser 51 Ares IY 51 Russians Alexander Kaleri 51 Alphabus 51 ROCSAT 2 51 Taepo Dong 51 ISS Expedition 51 Unmanned Aerial System 51 Hyper X 51 Resupply 51 veteran spaceflyer 51 spaceward 51 C NOFS 51 Airborne Mine Countermeasures 51 SpaceShip 51 WGS Block 51 RSRMs 51 Leonardo Permanent Multipurpose 51 Rockot launch 51 SUAV 51 Systems UAS 51 GSLV 51 Full Operational Capability 51 Kosmotras 51 CBERS 51 Orion LAS 51 SSETI Express 51 starboard truss segment 51 Terminal Countdown Demonstration 51 ICC VLD 51 Eurostar E# platform 51 Soyuz Spacecraft 51 Arabsat 4A 51 Advanced EHF 51 GeneSat 1 51 SRBs 51 #A.# [003] 51 STUAS Tier II 51 SBSS satellite 51 Multirole 51 Yasny 51 Baikonour 51 Navigation Satellite 51 YES2 51 Plesetsk cosmodrome 51 Glonass navigation satellites 51 robotic spacecraft 51 Spacewalking 51 AIM 9X 51 Joint Standoff Weapon 51 geo synchronous orbit 51 Small Diameter Bomb SDB 51 Samokutyayev 51 Ariane 5 51 Fermi Telescope 51 P#/P# truss 51 NuSTAR 51 countdown dress rehearsal 51 scramjet engines 51 Alpha Particle 51 Andrey Borisenko 51 ISS Reshetnev 51 Pete Siebold 51 Lunar Prospector 51 Russian cosmonauts Gennady Padalka 51 TIROS 51 SLBM 51 OSIRIS REx 51 + Dummy Tuna 51 MESSENGER Spacecraft 51 lunar explorer 51 Galileo satellites 51 Eurockot 51 Environment Explorer LADEE 51 Targeting Forward Looking 51 DMSP F# 51 Rocket Blasts 51 expendable Atlas 51 Orbital Sciences Corp. 51 STANDARD Missile 51 Lunar Landing 51 Astronauts Install 51 spokesman Barron Beneski 51 Atlantis STS 51 Glonass K 51 hypersonic scramjet 51 Orbiter 51 Outer Planets 51 remote sensing satellite Resourcesat 51 Lunar Module 51 GPS Block IIR 51 JOULE II 51 solid propellant 50 Hubble servicing 50 exoatmospheric kill vehicle 50 TDRS satellites 50 lunar lander 50 Ranging spacecraft 50 unmanned spaceplane 50 GLAST spacecraft 50 GSLV Mk III 50 Unmanned Surface 50 Dragon capsule 50 Yuri Shargin 50 Vehicle PSLV C# 50 DigitalGlobe WorldView 50 orbit GTO 50 Block IIR 50 heaviest payloads 50 lbf thrust 50 CEV 50 Glonass M 50 Dmitri Kondratyev 50 Anti Surface Warfare 50 Propulsion Replacement 50 OG2 satellites 50 J 2X engine 50 Origins Spectral Interpretation 50 Increment 50 Kwangmyongsong 50 Space Propulsion 50 NetFires 50 JAXA 50 optionally piloted 50 Astra 1M 50 IRS 1D Resourcesat 50 MRM2 50 Breeze KM 50 Vertical Landing 50 SCISAT 50 Baikonur Space 50 Chandrayan 50 SpaceX 50 SkySat 50 Uninhabited Aerial Vehicle 50 Aerojet Propulsion 50 NASA Space Shuttle 50 shuttle Discovery STS 50 GSLV F# 50 INSAT 4B 50 ECA launcher 50 Ofeq 50 RSC Energia 50 SpaceX Dragon capsule 50 Unmanned Ground Vehicle 50 Solar Orbiter 50 Resourcesat 50 EKV 50 OCO satellite 50 bipropellant 50 Cargo Aircraft 50 Ares IX 50 HyFly 50 Europa Orbiter 50 Anik F3 50 Taikonaut 50 SELEX Sensors 50 Launch Vehicle GSLV 50 satellite Kwangmyongsong 2 50 orbiter 50 A# spacecraft 50 Ted Gavrilis 50 engineer Timothy Kopra 50 Rosetta comet chaser 50 hydrazine thrusters 50 aboard Soyuz TMA 50 Space Station Astronauts 50 WISE spacecraft 50 Moon Mineralogy Mapper M3 50 Spacebus 50 Polar Satellite Launch 50 Shuttle Orbiter 50 Shuttle Launch 50 diazepam pharmacy 50 NanoRacks 50 Soyuz rocket carrying 50 Constellation Ares 50 Resourcesat 2 50 NSPO 50 Small Diameter Bombs 50 Delays Shuttle Launch 50 Japanese Pressurized Module 50 communications satellite Kwangmyongsong 50 Paulo Nespoli 50 Geosynchronous orbit 50 Intermediate Range Ballistic 50 Orbital Boost 50 Shuttle Astronauts 50 Total Ozone Mapping 50 EarthCARE 50 STOVL F 50 Cartosat 50 Turksat 4A 50 Soyuz TMA #M 50 sun synchronous orbit 50 microsatellite 50 Rassvet 50 ramjet powered 50 NASA GLAST 50 deorbiting 50 USAF Tanker 50 Baikonur spaceport 50 Robotic Arm 50 Soyuz launcher 50 NASA Stardust NExT 50 E 8C 50 Insat 4A 50 Discovery STS 50 EA 6B 50 Facility SIRTF 50 Launch Complex 50 Blasts Off 50 undocks 50 unmanned Shenzhou 50 INSAT 3E 50 LaRC 50 ESAS 50 GLONASS M 50 Impactor 50 #x# Seg SRB 50 suborbital spacecraft 50 Vehicle UCAV 50 Anti Submarine Warfare ASW 50 propellant loading 50 heavier payloads 50 Solar Sail Spacecraft 50 COMSATBw 50 Alexander Samokutyayev 50 Soyuz TMA-#/#S 50 SMOS 50 Eurostar E# 50 astronauts Douglas Wheelock 50 Payload Specialist 50 EZ Rocket 50 External Stowage Platform 50 hypersonic missiles 50 Quasi Zenith Satellite 50 X #A 50 ULA 50 Educator Astronauts 50 Cartosat 2A 50 Tactical Missile 50 Presidential Helicopter 50 Mission Specialists 50 Mars Pathfinder 50 MTSAT 50 Modernized GPS Satellite 50 Solid Rocket Booster 50 Phobos Grunt mission 50 NPOESS 50 ISS resupply 50 vertical takeoff 49 Orbital Space 49 propulsion subsystem 49 Kourou French Guyana 49 Cassini Image 49 shuttle orbiter 49 planetary Transits 49 UK DMC2 49 ExoMars rover 49 payload fairings 49 payload canister 49 SATCOM WGS satellite 49 EA #G aircraft 49 rocket 49 Comet Dust 49 Apollo Lunar Module 49 Interceptor Missile 49 agency Roskosmos 49 Kounotori 49 Human Spaceflight Microgravity 49 MSV MSAT 49 INSAT 3D 49 System TSAT 49 Manned Space Flight 49 Robotic Lunar Exploration 49 Propellant 49 Astronaut Candidate 49 Rocketplane XP 49 winged spacecraft 49 SuitSat 49 Orbital Maneuvering System 49 Baikonur Kazakhstan 49 shuttle undocks 49 NFIRE satellite 49 Scrubs Shuttle Launch 49 Akihiko Hoshide 49 coastal Naro 49 Astrium Eurostar 49 spaceship Shenzhou 49 Vehicles Directorate 49 LAIRCM 49 hydrazine propellant 49 GOES N 49 Lift Helicopter 49 deorbited 49 NASA Lunar Crater 49 ATV Johannes Kepler 49 onboard Chandrayaan 49 Satellites GOES 49 NASA Shuttle Launch 49 Booster Separation 49 Terrestrial Planet Finder 49 Lunokhod 49 Dmitry Kondratyev 49 INSAT 4A 49 Roman Romanenko 49 Manpack 49 lunar orbiting spacecraft 49 Unha 2 49 Near Infrared Camera 49 polar orbiting 49 Oceansat 2 49 GSLV rockets 49 Rocket System MLRS 49 suborbital trajectory 49 Tactical Aircraft 49 Space ENvironment GEochemistry 49 ASTRA 1KR 49 cryogenic engine 49 space shuttle 49 S6 truss 49 JTRS Cluster 49 ion propulsion 49 Radar Imaging 49 JWST 49 Manned Space 49 Lands Safely 49 Ares V. 49 Inertial Navigation System 49 Thrusters 49 Orbital 49 OSIRIS Rex 49 unmanned Chandrayaan 49 H2A rocket 49 CALIPSO 49 Exploration Rover 49 Next Generation Jammer 49 Glonass satellites 49 Milstar 49 Vehicle UAV 49 JCTD 49 Volatile Evolution 49 Boundary Layer 49 MISSE 49 UCAS D 49 DSCS III 49 F# Engine 49 Falcon Hypersonic Technology 49 unmanned lunar 49 LCROSS Centaur upper 49 Thruster 49 Successfully Tests 49 Kibo JPM JEM Pressurized 49 Advanced Tactical 49 ISC Kosmotras 49 Unmanned Air 49 HAMSAT 49 Mars Orbiter 49 Shuttle Launch Date 49 Uchinoura Space Center 49 Shenzhou V spacecraft 49 Geosynchronous Transfer Orbit 49 SAR Lupe 49 Space Shuttle Program 49 Lunar Outpost 49 Systems J UCAS 49 MEXSAT 49 unmanned rotorcraft 49 MALD J 49 Insat 4CR 49 ExoMars mission 49 System F6 49 Cassini Spacecraft 49 MUOS satellite 49 Soyuz rocket 49 Manned Mission 49 MESSENGER MErcury Surface 49 shuttle Endeavor 49 reboost 49 Space Shuttle STS 49 XCOR Lynx 49 Launch Delayed 49 Léopold Eyharts 49 scramjet engine 49 CDR SO 49 Orbital Taurus II 49 Astra 3B 49 Tunable Laser 49 unpowered glide 49 Metop 49 Chang'eI 49 Mikhail Korniyenko 49 Characterization EPOCh 49 RISAT 2 49 Asteroid Belt 49 BepiColombo mission 49 Japanese Aerospace Exploration 49 NASA twin STEREO 49 ST8 49 Space Exploration 49 unstowed 49 APKWS II 49 Air Missile AMRAAM 49 AJ# engine 49 LSAM 49 SICRAL 1B 49 Low Altitude 49 SSM# 49 Diazepam pharmacy 49 Russian cosmonauts Alexander Skvortsov 49 Constellation Observing 49 scramjets 49 LMCSS 49 Space Shuttle retires 49 Security Regolith Explorer 49 GQM #A Coyote 49 preset orbit 49 BSMs 49 RISAT 49 spokesman Igor Panarin 49 Volna rocket 49 unpressurized cargo 49 Mars Surveyor 49 SATCOM WGS 49 Earth orbit LEO 49 Eutelsat W2A satellite 49 remote sensing satellite 49 Vinasat 49 Globalstar satellites 49 Minotaur IV rocket 49 BBSNews #-#-# NASA 49 GSLV F# carrying 49 Surface Electronic Warfare 49 Optus D2 49 Cassini Huygens Mission 49 radar altimeter 49 Centaur upper 49 Cryosat 49 UAVS 49 STS 49 Planetary Transits 49 Shuttle 49 Iridium NEXT satellites 49 Simonetta Di Pippo 49 ELCs 49 ILS Proton 49 Andrei Borisenko 49 Shuttle Discovery Blasts 49 Alexander Vorobyov spokesman 48 LAGEOS 48 Space Station 48 commander Leroy Chiao 48 KillerBee 48 Nuclear Warheads 48 Bob Ess 48 Advanced Hawkeye 48 Conducts Successful 48 CH #K Heavy 48 C 5M 48 Proba 48 Carl Marchetto 48 Orbital Module 48 THAAD interceptors 48 Dream Chaser 48 Pad Abort 1 48 SEWIP Block 48 DubaiSat 48 SUAS 48 Flyby 48 BRAHMOS 48 sub orbital 48 orbit 48 AirLaunch LLC 48 MQ 1B 48 Russian Cargo Ship 48 KURS 48 ramjet 48 Xichang 48 state controlled RKK 48 Vostok 3KA 48 Commercial Orbital 48 TecSAR