Related by context. All words. (Click for frequent words.) 68 GPS IIR M 67 Cosmo SkyMed 65 Earth Observation Satellite 65 NROL 64 SAR Lupe 63 polar orbiting 63 Giove B 62 Block IIF 62 BSAT 3a 62 Thales Alenia 62 Launch Vehicle 62 TerraSAR X 62 CARTOSAT 62 Interior Laboratory GRAIL 62 TanDEM X 61 Cloud Aerosol Lidar 61 Wideband Global 61 TIROS 61 Meteorological Satellite 61 MetOp 61 NFIRE 61 GPS IIR 61 Minotaur IV 61 BepiColombo 61 DigitalGlobe WorldView 61 Alphabus 61 System Block IIR 61 Minotaur rocket 61 CBERS 61 JCSAT 61 A# spacecraft 61 GPS IIF 61 Insat 61 SCISAT 60 orbiting observatories 60 GOES O 60 SICRAL 1B 60 Meteosat 60 Metop 60 Skynet 5B 60 Helios 2B 60 Air Force Evolved Expendable 60 Atlas IIAS 60 STSS Demo 60 TacSat 60 Infrared Pathfinder Satellite 60 meteorological satellites 60 Observatory STEREO 60 Oceansat 2 60 TecSAR 60 geostationary satellite 59 GIOVE B 59 ASTRA 1L 59 RADARSAT 2 59 Sinosat 59 Eurostar E# 59 ESA SMART 59 GOCE 59 Lunar Reconnaissance Orbiter LRO 59 remote sensing satellite Resourcesat 59 FORMOSAT 59 VINASAT 1 59 INSAT 3D 59 radio occultation 59 NASA Stratospheric Observatory 59 satellite GSAT 59 probe Chang'e 59 orbit GEO 59 remote sensing satellite 59 Wideband Gapfiller Satellite 59 Proba 2 59 RADARSAT 59 PSLV C7 59 Galileo satellites 59 Ocean Salinity SMOS 58 H IIB 58 Ariane rocket 58 Launch Scrubbed 58 WGS satellites 58 Envisat satellites 58 Cargo Launch Vehicle 58 Alphasat 58 Ocean Salinity 58 Galileo Avionica 58 STP S# 58 Program DMSP 58 KOMPSAT 58 NASA THEMIS 58 weather satellite TIROS 58 satellite RISAT 58 ESA Planck 58 Launch Vehicle EELV 58 GPS Block IIF 58 SMOS Soil Moisture 58 Stratospheric Observatory 58 Cartosat 58 polar orbiting satellites 58 SELENE probe 58 NigeriaSat 58 VINASAT 58 ESA ERS 58 Ofeq 58 POES satellites 58 Climate Experiment GRACE 58 NAVSTAR Global Positioning System 58 Planetary Transits 58 ESA Rosetta 58 C NOFS 57 Convection Rotation 57 NOAA GOES 57 GOES N 57 Orbital Express 57 GPS IIR satellites 57 WISE spacecraft 57 Cygnus spacecraft 57 SMOS 57 Dnepr rocket carrying 57 Lunar Orbiter 57 Atlas 2AS 57 Ariane launcher 57 MetOp satellite 57 Block 5D 57 NASA Landsat 57 Herschel Planck 57 Ariane 5G 57 satellite constellation 57 nanosatellites 57 Telesat Nimiq 57 WGS Block 57 Proba 57 CHIPSat 57 Infrared Astronomy 57 GPS 2R 57 LISA Pathfinder 57 remote sensing satellites 57 SBSS satellite 56 ASTRA 1KR 56 Landsat satellite 56 TDRS K 56 COROT 56 satellites 56 Satellite Launch Vehicle GSLV 56 Rosetta comet chaser 56 Astrium Satellites 56 planetary Transits 56 INSAT 3A 56 Reaches Orbit 56 German SAR Lupe 56 Satellite Launch Vehicle 56 Highly Adaptable Satellite 56 Cartosat 2B 56 Nimiq 56 Resourcesat 56 DIRECTV 7S 56 Recovery Experiment SRE 56 RESOURCESAT 56 Satellite Successfully Launched 56 STPSat 56 ENVISAT 56 Landsat satellites 56 Satellite GOSAT 56 Skynet 5C 56 GPS IIF satellites 56 Geo synchronous 56 ILS Proton 56 Aerosonde Mark 56 WGS satellite 56 manned spaceships 56 NASA Lunar Crater 56 Continuity Mission LDCM 56 OrbView 56 SICRAL 56 STSS Demonstration 56 Meteorological Satellites 56 GLONASS M 56 UK DMC2 56 DIRECTV 9S 56 IKONOS 56 ROCSAT 2 56 Landsat Data 56 KA SAT 56 SpaceX Falcon 56 Envisat 56 LADEE 56 SpaceX Falcon 9 56 SMOS mission 56 INSAT 4CR 56 Synthetic Aperture Radar 56 Foton M3 mission 56 Security GMES 55 JCSAT 9 55 Advanced Synthetic Aperture 55 SBIRS GEO 55 Medspiration 55 lunar orbiting spacecraft 55 Chinasat 6B 55 Sicral 55 Technology Demonstration JCTD 55 OrbView 3 55 ESA Proba 55 Turksat 3A 55 NASA Great Observatories 55 NAVSTAR 55 Unmanned Aircraft System 55 Communications System DSCS 55 Greenhouse Gases Observing 55 PSLV C 55 MTSAT 55 COMSATBw 55 visit http:/saturn.jpl.nasa.gov 55 unmanned spaceplane 55 aboard SpaceX Falcon 55 Eurostar E# platform 55 manned Shenzhou 55 Insat 4B 55 geosynchronous satellite 55 SATCOM Satellite 55 KazSat 55 Jupiter Icy Moons 55 LMCSS 55 Arianespace 55 ExoMars mission 55 STEREO spacecraft 55 Mission SRTM 55 EarthCARE 55 Russian Soyuz Fregat 55 Michibiki 55 Crew Launch Vehicle 55 ILS Proton launch 55 PSLV C6 55 HEO payload 55 Astra 3B 55 Express AM# 55 space module Tiangong 55 MUOS satellites 55 Beidou satellite 55 Telespazio 55 Ariane launchers 55 Launched Successfully 55 NASAs 55 Planck spacecraft 55 Moderate Resolution Imaging 55 AMPERE 55 HIAPER 55 Rockot launcher 55 HAMSAT 55 Thales Alenia Space 55 synthetic aperture radar 55 spacecraft 55 Solar TErrestrial RElations Observatory 55 Polar orbiting Operational 55 Infrared Astronomy SOFIA 55 geosynchronous 55 Polar Operational 55 DubaiSat 1 55 O OREOS 54 Vinasat 54 WorldView 54 Solar Orbiter 54 Earth orbiting satellites 54 MEXSAT 54 JTAC declared 54 Environment Explorer LADEE 54 Titan flyby 54 MEASAT 3a 54 PSLV C# 54 System SBIRS 54 CALIPSO 54 MILSATCOM 54 AEHF 54 GPS IIIA 54 Geosynchronous 54 EchoStar XIV 54 JPSS 54 W3A 54 Foton spacecraft 54 SpaceX Dragon 54 Uninhabited Aerial Vehicle 54 Skynet 5A 54 HEO payloads 54 Landsat 54 nanosatellite 54 CBERS 2B 54 aboard Vostok 54 NASA GLAST 54 Technology Insertion 54 Unmanned Aerial Vehicle 54 Moon Mineralogy Mapper M3 54 XTAR EUR 54 RISAT 54 Constellation Observing 54 Spacebus 54 H2A rocket 54 Based Augmentation System 54 Titan flybys 54 Glonass K 54 Phobos Grunt 54 HISPASAT 54 Galileo constellation 54 Laser Interferometer Space 54 AEHF satellite 54 STSS satellites 54 Full Operational Capability 54 Alcatel Alenia 54 Greenbelt Md. manages 54 DubaiSat 54 Koreasat 54 Antenna LISA 54 Yaogan 54 experimental payloads 54 DMSP F# 54 ULA Atlas 54 GOES satellites 54 SBIRS HEO 54 infrared telescope 54 Intermediate Range Ballistic 54 heaviest payloads 54 Hyperspectral Imager 54 NuSTAR 54 ICO G1 54 Orion spacecraft 54 Eutelsat KA SAT 54 unmanned lunar orbiter 54 Geostationary 54 GOSAT 54 Geostationary Operational Environmental 54 Astra 1M 54 lunar probe Chang'e 54 Koreasat 6 54 CubeSat 54 Hubble Servicing 54 Reusable Launch Vehicle 54 Earth Observation satellites 54 Launch Abort System 54 Atlantis STS 54 Relations Observatory STEREO 54 satellite WorldView 54 Aquarius SAC 54 unpiloted 54 hypersonic flight 54 WhiteKnight 54 WISE mapped 54 FalconSat 54 Planck telescope 54 Planck satellite 54 Cubesat 53 windshield wiper maneuver 53 GEO satellites 53 geo stationary orbit 53 Operationally Responsive Space 53 HYLAS 53 Telstar #R 53 NASA twin STEREO 53 Orbital Taurus 53 Europa Orbiter 53 Resourcesat 2 53 PSLV C9 53 Huygens Probe 53 Alliance Successfully Launches 53 NCADE 53 WISE infrared 53 Spectroradiometer MODIS 53 microsatellites 53 astronomical telescope 53 spacecraft Shenzhou 53 Foton M3 53 SELEX GALILEO 53 Quasi Zenith Satellite 53 Spy Satellite 53 EUROBIRD 53 LightSail 53 Satellite Launch 53 Advanced Spaceborne Thermal Emission 53 dexterous robot 53 ESA CNES 53 Glonass M 53 ExoMars rover 53 Satellites GOES 53 ATV Johannes Kepler 53 Shuttle Radar Topography 53 WFC3 53 GLONASS constellation 53 Telstar #N 53 Astrium Eurostar 53 ATV Jules Verne 53 HiRISE camera aboard 53 Carlo Gavazzi Space 53 Cosmic Vision 53 entered lunar orbit 53 System MEADS 53 ULA Delta 53 Foton M2 53 Ariane 5 53 BSAT 3b 53 airborne observatory 53 Pad Abort 1 53 Jules Verne ATV 53 Starsem 53 Servicing Mission 53 Huygens mission 53 High Frequency AEHF 53 System MUOS 53 Astro E2 53 Oceansat 53 Orbital Sciences Taurus 53 NAVSTAR GPS 53 Observatory SDO 53 satellite Giove 53 NASA Stardust spacecraft 53 Remote Sensing Satellite 53 nEUROn 53 Jupiter Icy Moons Orbiter 53 SIRAL 53 geo synchronous 53 Soyuz TMA #M 53 ESA Huygens probe 53 ion propulsion 53 EPOCh 53 aboard ESA Envisat 53 ExoMars Trace Gas 53 UAVSAR 53 ARCTUS 53 New Horizons spacecraft 53 manned Soyuz 53 THAAD interceptors 53 AEHF spacecraft 53 ST5 53 Lunar CRater Observation 53 Solar Sail 53 Evolved Expendable Launch Vehicle 53 SES AMERICOM AMC 53 Glonass satellites 53 PSLV rocket 53 RapidEye constellation 53 INSAT 4B 53 #/#-ton truss 53 DSCS III 53 Kepler observatory 53 Orbit Validation Element 53 Satellite GOES 53 Spatiales CNES 53 Solar Dynamics Observatory 53 DMSP satellites 53 Yinghuo 1 53 DMSP F 53 ISRO Polar 53 Optus D2 53 Orbit Validation 53 CloudSat 53 Cosmic Background Explorer 53 Mobile User Objective 53 Eumetsat 53 THEMIS Images 52 Earth Observation EO 52 Cryosat 52 communication satellite GSAT 52 WATCHKEEPER 52 Rosetta spacecraft 52 Scaled Composites SpaceShipOne 52 gamma ray observatory 52 Nanosat 52 uncrewed 52 GOCE satellite 52 SpaceX Dragon spacecraft 52 Chandrayaan II 52 Yahsat Y1A 52 geostationary earth 52 LRO spacecraft 52 MDA Ballistic Missile 52 CARTOSAT 2A 52 Taurus XL 52 IBEX spacecraft 52 SIM PlanetQuest 52 Anik F2 52 Rokot 52 MTSAT 1R 52 Deep Impact Extended 52 AESA 52 Total Ozone Mapping 52 Ranging spacecraft 52 PSLV 52 Vehicle GSLV 52 Permanent Multipurpose Module PMM 52 Shepherding Spacecraft 52 NASA Gamma ray 52 Medium Altitude 52 Interorbital Systems 52 Globalstar satellites 52 Eurockot 52 radar altimeter 52 Smartest Machine 52 Soyuz launcher 52 EADS Astrium GmbH 52 Envisat Advanced Synthetic Aperture 52 Sanswire TAO 52 KSLV 52 geo synchronous transfer 52 Lunar Prospector 52 Orion CEV 52 Rosetta orbiter 52 Soyuz launchers 52 Terrestrial Planet Finder TPF 52 High Resolution Imaging 52 agency CNES 52 Anik F1R 52 comet chaser 52 LAGEOS 52 Block IIR 52 EUMETSAT 52 COROT satellite 52 Vehicle ATV 52 MALE UAV 52 geosynchronous orbit GEO 52 Dnepr rocket 52 Hispasat 1E 52 SpaceshipTwo 52 LRO LCROSS 52 Aqua satellite 52 TDRSS 52 SUAV 52 BRAHMOS 52 ARISSat 52 orbital insertion 52 TDRS satellites 52 Exploration Vehicle CEV 52 unmanned Shenzhou 52 polarimetric 52 SBSS Block 52 KODAK CCD Image Sensors 52 spaceplane 52 Chandrayan 52 AN/FPS-# 52 Automated Transfer Vehicle 52 Atlantis Undocks From 52 Simonetta Di Pippo ESA 52 Orbiter LRO 52 propulsion subsystem 52 NASA EPOXI mission 52 Orion LAS 52 Eurobird 52 microsatellite 52 SkySat 52 H IIA 52 GPS IIIA satellites 52 ESA CryoSat 52 Rockot 52 AARGM 52 Sacred Vessel 52 Solar Terrestrial Relations 52 Glonass navigation satellites 52 Solid Rocket Boosters 52 Anik F3 52 Shadow TUAS 52 GPS Block IIR 52 Cosmodrome 52 Polar Satellite Launch 52 Space Capsule 52 earth orbiting satellites 52 Risky Spacewalk 52 robotic rovers 52 http:/www.nasa.gov/cassini 52 Earth Observation 52 ARES IX 52 Hispasat 52 Cassini Equinox 52 Synthetic Aperture Radar SAR 52 orbiter Cassini 52 Modernized GPS Satellite 52 rover Spirit landed 52 modernized Global Positioning 52 interplanetary spacecraft 52 ESA Envisat satellite 52 Mars Atmosphere 52 countdown dress rehearsal 52 Earth Observing 51 Aegis Ballistic Missile Defense 51 Pegasus XL 51 Block IIR M 51 Terrestrial Planet Finder 51 Titan IVB 51 ILS Proton Successfully Launches 51 Mars Pathfinder lander 51 AESA radar 51 Geosynchronous Satellite Launch Vehicle 51 MUOS satellite 51 Technology Demonstrator 51 Mission TRMM 51 GSLV D3 rocket 51 Lunar Orbiter Laser Altimeter 51 lunar explorer 51 Kepler spacecraft 51 MQ 8B Fire 51 aboard Envisat 51 ASTRA 3B 51 NEOSSat 51 Scramjet 51 NASA Cosmic Background 51 Geosynchronous orbit 51 Aboard Atlantis 51 INSAT 4A 51 Satellite System NPOESS 51 Dyna Soar 51 EchoStar XV 51 X #A WaveRider 51 geosynchronous satellites 51 orbital rendezvous 51 RazakSAT 51 THEMIS Image 51 NASA Kepler 51 Milstar 51 Moon Mineralogy Mapper 51 infrared observatory 51 Medium Altitude Long 51 Tranquility module 51 ESA Integral 51 NASA STEREO 51 ICESat 51 ICO G1 satellite 51 GLONASS satellites 51 OG2 satellites 51 Block IIA 51 Insat 4CR 51 ProtoStar II 51 Faint Object 51 Near Infrared Camera 51 Space Launch Vehicle 51 Ocean Surface Topography 51 Watchkeeper 51 Alcatel Alenia Space 51 Investigation DIXI 51 INSAT satellite 51 Atlas V 51 enters lunar orbit 51 geosynchronous communications 51 JCTD 51 NASA GeneSat 1 51 geostationary satellites 51 Advanced Extremely 51 GSAT 5P 51 ESA Herschel 51 Anik G1 51 NASA ICESat 51 Aegis BMD 51 Advanced EHF 51 ESA Envisat 51 HC #A 51 interplanetary missions 51 Mars Reconnaissance Orbiter MRO 51 dimensional atlas 51 Intelsat Galaxy 51 geostationary 51 KA SAT satellite 51 SLC 3E 51 unmanned probes 51 HyShot 51 lunar landers 51 Relative Navigation 51 Hubble servicing 51 Exploration Vehicle 51 Kosmos 3M 51 ESRIN 51 Optus D3 51 GALEX 51 BMC2 51 Airborne Mine Countermeasures 51 AIRSS 51 Vehicle PSLV 51 GAGAN 51 Telespazio embody 51 Expendable Launch Vehicle 51 Azerspace 51 J UCAS 51 Alpha Particle 51 SELEX Galileo 51 Environmental Satellite POES 51 crewed spacecraft 51 Churyumov Gerasimenko 51 Spatiales 51 NASA Stardust NExT 51 Hubble Space Telescope HST 51 NEAR Shoemaker 51 MP RTIP 51 orbiting Saturn 51 GPS IIIB 51 Radar Imaging 51 Airborne Laser Testbed 51 Kliper 51 reconnaissance satellites 51 shuttle Endeavour STS 51 polarimetry 51 Jules Verne Automated Transfer 51 C 5M 51 laser altimeter 51 Venus Climate Orbiter 51 spaceborne 51 SPACEWAY TM 51 geostationary communications 51 II D5 Fleet 51 Navy P 3C 51 Soyuz FG 51 Kourou spaceport 51 Arabsat 5A 51 GIOVE 51 unpiloted aircraft 51 Yuri Lonchakov 51 VASIMR 51 GSLV rockets 51 SATCOM WGS satellite 51 SeaWiFS 51 Cassini Huygens 51 Lunokhod 51 Proton Breeze M 51 ECA launcher 51 spacecraft Cassini 51 Phobos Grunt mission 51 Lunar Exploration 51 Multi Purpose Logistics Module 51 lunar orbiter Chang'e 51 director Chuck Dovale 51 MERIS 51 winged spacecraft 51 Megha Tropiques 51 NSPO 51 onboard Chandrayaan 51 Geo IK 51 manned orbital 51 Fermi Telescope 51 Philae lander 51 RapidEye 51 ISS resupply 51 Chinasat 9 51 INSAT 3E 51 GPS constellation 51 ADM Aeolus 51 Inertial Navigation System 51 broadband subsidiary Skylogic 51 Endeavour STS 51 Aegis Weapon System 51 Nimiq 5 51 Atmospheric Infrared Sounder 51 GMES 51 Cartosat 2A 51 AMSR E 50 Joint Capability 50 STP SIV 50 designated GPS IIR 50 Variable Specific 50 Nasa spacecraft 50 Dragon capsule 50 SSMEs 50 Multi Object Spectrograph 50 Unmanned Combat Air 50 Dragon spacecraft 50 Spirent GSS# 50 Vostok 3KA 50 lidar instrument 50 DragonLab 50 EELVs 50 Sparrow Missile 50 Watchkeeper UAV 50 GeneSat 1 50 Heron UAV 50 Viking Lander 50 RQ 7B Shadow 50 GLAST spacecraft 50 EuroHawk 50 hyperspectral 50 E 8C 50 ARRL AMSAT 50 electro optical sensor 50 Falcon 1e 50 Insat 3A 50 D CIXS 50 planetary missions 50 infrared astronomy 50 X #A Waverider 50 SatNews 50 Space Telescope GLAST 50 shuttle Discovery STS 50 Navigation Satellite 50 Context Camera 50 Chang'eI 50 Baikonur spaceport 50 NASA ESA Hubble 50 GSLV rocket 50 Turksat 4A 50 Space Infrared Telescope 50 Final Spacewalk 50 Orbiting Carbon Observatory 50 RQ 4B 50 Predator MQ 50 unpowered glider 50 perigee nearest point 50 Tropical Rainfall Measuring 50 unmanned rover 50 A#T 50 Globalstar constellation 50 Ku Band 50 Paulo Nespoli 50 Simonetta Di Pippo 50 ISS Reshetnev 50 Kepler Mission 50 electric ion propulsion 50 Into Orbit 50 narrowband tactical 50 Environmental Satellites POES 50 satellites orbiting Earth 50 PW#A 50 Sounding Rocket 50 Hubble gyroscopes 50 operationally responsive space 50 mineralogical mapping 50 GPS IIIA satellite 50 SPY 1F 50 Tomahawk Block 50 orbiter 50 Mercury flyby 50 NASA Solar Terrestrial 50 Hinode spacecraft 50 CubeSats 50 OSTM Jason 2 50 unarmed Minuteman 50 Minotaur IV rocket 50 MESSENGER spacecraft 50 Mars Color Imager 50 Aerojet propulsion 50 Smos 50 unmanned rotorcraft 50 GSLV D2 50 Great Observatories 50 Kosmos 3M rocket 50 AN/TPS-# 50 Yahsat 1A 50 optionally piloted 50 Successfully Launched 50 Beidou 50 mission Chandrayaan 50 MESSENGER MErcury Surface 50 Stargazer L 50 Space Agency 50 GA ASI 50 ScanEagle unmanned aircraft 50 Vehicle CEV 50 AVHRR 50 Intelsat satellites 50 THEMIS satellites 50 Herschel Space 50 HyFly 50 spacecraft Chandrayaan 1 50 Interplanetary Internet 50 Short Range Ballistic 50 Shenzhou V spacecraft 50 Versatile Affordable 50 Airborne Topographic Mapper 50 Heterodyne Instrument 50 HDAM 50 IFSAR 50 geosynchronous transfer orbit 50 Aegis BMD Weapon 50 MSV MSAT 50 Stardust spacecraft 50 suborbital rocket 50 Space Fence 50 tactical UAV 50 Galileo spacecraft 50 highly elliptical orbit 50 DMCii 50 THEMIS mission 50 NFIRE satellite 50 CX OLEV 50 ESTRACK 50 http:/saturn.jpl.nasa.gov 50 ATFLIR 50 System F6 50 Mars Climate Sounder 50 ESA GOCE 50 HC #J 50 KSLV 1 50 EPOXI mission 50 pressurized module 50 Milstar constellation 50 robotic spacecraft 50 Nuclear Spectroscopic Telescope Array 50 Progress resupply 50 QuickBird 50 Nasa Kepler 50 exoatmospheric kill vehicle 50 geo stationary satellite 50 Kazakhstan Baikonur Cosmodrome 50 TSIS 50 RQ 4B Global 50 Systems NEX AIQ.H 50 Meteosat Second Generation 50 INSAT 50 AIM 9X 50 SIRTF 50 breathing supersonic combustion 50 Ozone Monitoring 50 GSTB V2 50 Mars Orbiter 50 ASTRA 5B 50 vehicle PSLV C# 50 Reflection Radiometer 50 AMF JTRS 50 spacecraft orbited 50 endurance UAV 50 Vega launcher 50 cryocooler 50 UAV Unmanned Aerial Vehicle 50 Profiler Suite OMPS 50 J 2X 50 Orbital Debris 50 Imaging Spectroradiometer MODIS 50 Multi Purpose Logistics 50 AMIE camera 50 CCDev 50 TerraSAR X satellite 50 Palapa D 49 Hinode satellite 49 ESA Cluster 49 Helios 2A 49 ABC Starguide Transponder 49 Scatterometer 49 T #TS 49 extravehicular activities 49 Characterization EPOCh 49 Insat 4A 49 GeneSat 49 HARPS spectrograph attached 49 Kepler Space Telescope 49 SDD phase 49 Lunar Outpost 49 probe Huygens 49 unmanned lunar 49 Pluto Kuiper Belt 49 X #B 49 Orbital Pegasus 49 Decadal Survey 49 electro optic sensors 49 Next Generation Jammer 49 Robotic Lunar Exploration 49 airborne refueling 49 LEOP 49 Formosat 49 Facility SIRTF 49 ESA 49 Pluto Charon 49 Ted Gavrilis 49 scatterometer 49 THEMIS spacecraft 49 Active Electronically Scanned Array 49 Sumbandila 49 LCROSS Centaur upper 49 layered Ballistic Missile 49 Iridium NEXT satellites 49 spacecraft orbiting 49 Increment 49 Reflection Radiometer ASTER 49 MErcury Surface Space ENvironment 49 Joint Expeditionary Force 49 Northrop Grumman RQ 49 Envisat satellite 49 OSIRIS 49 polar orbits 49 MODIS instrument 49 carrier rocket Unha 49 Ares IX rocket 49 Radar ASAR instrument 49 LITENING 49 Meteorology Ionosphere 49 L5 signal 49 Apstar 49 JPL manages 49 X ray telescope 49 Fregat upper stage 49 scramjet engine 49 Ancillary Terrestrial Component ATC 49 P 8A MMA 49 EUTELSAT 49 entire Milstar constellation 49 Virtus Plus 49 ESA SMOS 49 Anti Submarine Warfare ASW 49 Muchachos Observatory 49 orbiter lander 49 Youthsat 49 Cassini Huygens Mission 49 Orbital Sciences Corp 49 Optical Spectroscopic 49 BAMS UAS 49 Origins Spectral Interpretation 49 Imaging Spectroradiometer MODIS instrument 49 Gravity Recovery 49 YES2 49 Cassini orbiter 49 Wideband Gapfiller 49 flyby spacecraft 49 Shenzhou VIII 49 Kayser Threde