Acronym Listing E

A |

B |

C |

D |

E |

F |

G |

H |

I |

J |

K |

L |

M |

N |

O |

P |

Q |

R |

S |

T |

U |

V |

W |

X |

Y |

EC — EED — EI— ENAP — EP — ES — EU

ACRONYM	DEFINITION	CONTRIBUTOR
e	Electron	CASI
E	Energy	CASI
E&O	Education and Outreach	Goddard
E&PO	Education and Public Outreach	Goddard
E(r)	Earth radius	CASI
E/A	Ephemeris/Attitude	Goddard
EAC	Electrical Application Committee	Goddard
EAC	Estimate at Completion	Goddard
EADI	Electronic Attitude Director Indicator	CASI
EAG	Experimental Astrophysics Group	Goddard
EAGLE	Energy Absorbing Gas Lithium Ejector	CASI
EAL	Engineering Analysis Language	CASI
EAM	Embedded Atom Method	CASI
EAP	Ethanolamineperchlorate	CASI
EAPS	Earth Atmospheric and Planetary Science	Goddard
EAR	Engineering Analysis Report (KSC)	Langley
EAR	Electronically Agile Radar	CASI
EAR	Export Administration Regulations	CASI
EAS	Extensive Air Showers (Cosmic Rays)	CASI
EASE	Equal-Area Scalable Earth	Goddard
EASE	Eva Assembly of Structures Experiment	CASI
EASE/ACCESS	Experimental Assembly of Structures in EVA/Assembly Concept for Construction of Erectable Space Structures	CASI
EASEP	Early Apollo Science Experiments Package	CASI
EASIE	Environment for Application Software Integration and Execution	Langley
EASILY	Experimental Avionics Simulation and Integration Laboratory	CASI
EASILY	Experimental Avionics Systems Integration Laboratory (LaRC)	Langley
EASOE	European Arctic Stratospheric Ozone Experiment	Goddard
EB	Electronics Bay	Goddard
EB	Electronics Box (HETE-2)	Goddard
EBA	Electronics Bay Assembly	Goddard
EBC	Eastern Boundary Currents	Goddard
EBCDIC	Extended Binary-Coded Decimal Interchange Code	CASI
EBIC	Electron-Beam-Induced Current (conductivity); (a scanning electron microscope mode)	CASI
EBLIDA	European Bureau of Library, Information and Documentation Associations	CASI
EBNet	EOSDIS Backbone Network (combines Ecom and ESN)	Goddard
EBP	Electronics Based Plate	Goddard
EBR	Experimental Breeder Reactor (Power reactor)	CASI
EBR-II	Experimental Breeder Reactor-II	CASI
EBS	Electron Bombarded Silicon	Goddard
EBTE	Electronics Bay Test Equipment	Goddard
EBU	Electronics Bay Unit	Goddard
EBU	European Broadcasting Union	CASI
EBW/FU	Exploding Bridge Wire/Firing Unit (Devices for igniting rocket propellants)	CASI
EBWR	Experimental Boiling Water Reactor	CASI
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EC	Electromagnetic Compatibility	Goddard
EC	Engineering Change	Goddard
EC	European Commission	Langley
EC	European Community	Langley
EC	Executive Committee	Goddard
EC	Executive Council	Goddard
EC/LSS	Environmental Control/Life Support System	Goddard
ECA	Electronics Control Assembly	Goddard
ECA	Engineering Change Analysis	Goddard
ECAC	Electromagnetic Compatibility Analysis Center	CASI
ECAM	ERTS Command Auxiliary Memory	CASI
ECAN	Electronic Calibration and Normalization	CASI
ECC	Electrochemical Concentration Cell	CASI
ECCN	Export Control Classification Number	CASI
ECD	Estimated Completion Date	Goddard
ECE	Engineering Cost Estimate	Langley
ECEL	Epithermal Critical Experiments Laboratory	CASI
ECF	European Coordinating Facility	Goddard
ECG	Electroepitaxial Crystal Growth	CASI
ECHIVAL	European International Project on Climate and Hydrological Interactions between Vegetation, Atmosphere, and Land Surfaces	Goddard
ECI	Earth Centered Inertial	Goddard
ECL	Emitter Coupled Logic	Goddard
ECLIPS	Experimental Cloud Lidar Pilot Study	Goddard
ECLIPSE	Experimental Cloud Lidar Pilot Study	Langley
ECLS	Environmental Control and Life Support	CASI
ECLSS	Environmental Control and Life Support System (NASA)	CASI
ECM	Electronic Counter Measure	CASI
ECMA	European Computer Manufacturers Association	CASI
ECMWF	European Center for Medium-Range Weather Forecasting	Goddard
ECMWF	European Centre for Medium Weather Forecasts	CASI
ECN	Engineering Change Notice	Goddard
ECN	Equipment Control Number	Goddard
ECO	Edit Change Order	Goddard
ECOS	Electronic coordinate Determination System	Goddard
ECP	Engineering Change Proposal	Goddard
ECP	Export Control Program	Goddard
ECR	Electron Cyclotron Resonance	CASI
ECR	Engineering Change Request	Goddard
ECRH	Electron Cyclotron Resonance Heating	CASI
ECS	Environmental Control System	CASI
ECS	EOSDIS Core System	CASI
ECS	Energy Conversion Subsystem	CASI
ECSS	EOS Common Spacecraft Specification	Goddard
ECT	Emulsion Chamber Technology	CASI
ECU	Electronic Control Unit	Goddard
ECUP	European Copyright User Platform	CASI
ECVP	Engineer's Club of the Virginia Peninsula	Langley
ECWIPS	Environmentally Controlled Work in Process	Goddard
ED	Engineering Data	Goddard
EDAC	Error Detection and Correction	Goddard
EDB	Engineering Database	Goddard
EDB	External Data Bus	Goddard
EDC	Estimated Discharge Current	Goddard
EDC	EROS Data Center	CASI
EDCO	Extended Duration Crew Operations	CASI
EDDS	Engineering Document Dissemination System	Goddard
EDH	Ethylenedihiydrazine	CASI
EDI	Electron Drift Instrument	Goddard
EDI	Electronic Data Interchange	CASI
EDI	Electronic Data Interface	Goddard
EDIF	Electronic Design Interchange Format	Goddard
EDIS	Environmental Data and Information Service	CASI
EDK	Electric Dynamic Katathermometer	CASI
EDLS	Enhanced Dynamic Load Sensors	Langley
EDLS	Environmental Dynamics Loads Sensor	Langley
EDM	Electric Discharge Machine	Goddard
EDM	Engineering Development Model	Goddard
EDMS	Electronic Document Management System	CASI
EDO	Engineering Data Center	Langley
EDO	Extended Duration Orbiter	CASI
EDOS	EOS Data and Operations System	Goddard
EDOS	EOS Data and Operations	CASI
EDP	Electronic Data Processing	Goddard
EDQNM	Eddy Damped Quasi-Normal Markovian	CASI
EDR	Electronic Document Report	Langley
EDRI	Engineering Data Ready Indicator	Goddard
EDRS	Engineering Drawing Release Schedule	Goddard
EDRS	European Data Relay Satellite	CASI
EDS	Educational Development Specialist	Goddard
EDS	Electrical Distribution Subsystem	Goddard
EDS	Emergency Deorbit System (NASA)	CASI
EDS	Emergency Detection System	CASI
EDS	Energy Dispersive Spectrometer (or Spectroscopy)	CASI
EDS	Edit and Decommutation System	CASI
EDSA	Electrical Distribution System Analysis	CASI
EDT	Eastern Daylight Time	CASI
EDTA	Ethylenediamine Tetraacetic Acid	CASI
EDTR	Electronic Dissemination of Technical Reports	Langley
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EED	Electro-Explosive Device	Goddard
EED	Electronic Explosive Device	CASI
EEE	Electrical, Electronic and Electromechanical	Goddard
EEG	Electroencephalogram	CASI
EELV	Evolved Expendable Launch Vehicle	CASI
EEMTB	Electrical Engineering Model Test Bed	Goddard
EEPROM	Electronically Erasable Programmable Read Only Memory	CASI
EER	Engineering and Economic Research	Goddard
EES	Electrical Equipment Section	Goddard
EET	End-to-End Test	Goddard
EET	Energy Efficient Transport	Langley
EETS	EOS Electronic Transfer System	Goddard
EEU	Extravehicular Excursion Unit	CASI
EEVT	Electrophoresis Equipment Varification Test	CASI
EF	Exposed Facility	CASI
EFAS	En Route Flight Advisory Service	CASI
EFCR	Experimental Fast Ceramic Reactor	CASI
EFEDA	ECHIVAL Field Experiment in Desertification-threatened Areas	Goddard
EFF	Enhanced Formation Flying	CASI
EFG	Edge-Defined Film-Fed Growth (Photovoltaics)	CASI
EFI	Electric Field Instrument (on POLAR)	Goddard
EFM	electro-motive force	Langley
EFSS	Experimental Flight Systems Section (at Langley)	CASI
EFW	Electric Fields and Waves Experiment (on Cluster II)	Goddard
EGA	Emissivity Curve of Growth Approximation	Langley
EGA	Emissivity Growth Approximation	CASI
EGCR	Experimental Gas Cooled Reactor	CASI
EGIG	Expedition Glaciologique Internationale au Groenland (France)	Goddard
EGO	Eccentric Geophysical Observatory (Also EOGO, NASA)	CASI
EGO	ExtraGalactic Optical Object	CASI
EGRET	Energetic Gamma Ray Experiment Telescope	Goddard
EGRET	Energy Gamma Ray Experiment Telescope (Explorer); (to be flown on HEAO-B spacecraft)	CASI
EGSE	Electrical Ground Support Equipment	Goddard
EGTS	EOS Ground Test System	Goddard
EH	Equivalent Hertz	CASI
EHB	EVA Hardware Board	Goddard
EHF	Extremely High Frequency	CASI
EHIC	Energetic Heavy Iron Experiment	CASI
EHS	Enhanced HOSC Systems	Goddard
EHSI	Electronic Horizontal Situation Indicator	CASI
EHT	Electrical High Tension	Goddard
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EI	Engineering Information; (Measure of bending stiffness)	CASI
EIA	Electronic Industries Association	Goddard
EICAS	Engine Indication and Crew Advisory System	CASI
EICAS	Engine Indication and Crew Alerting System	Langley
EICD	Interface Control Drawing, Electrical	Goddard
EICIT	Electrical Interface Continuity/Isolation Test	Goddard
EIK	Engineering Science Tape Recorder Improvement Kit	Goddard
EIN	Equipment Identification Number	Goddard
EIRP	Effective Incident Radiated Power	Goddard
EIRP	Effective Isotropic Radiated Power	Goddard
EIRP	Equivalent Isotropically Radiated Power	CASI
EIRR	External Independent Readiness Review	Goddard
EIS	Environmental Impact Statement	Langley
EISG	Experimental Investigations of Spacecraft Glow	CASI
EIT	External Interface Testing	Goddard
EIT	Extreme Ultraviolet Imaging Telescope	Goddard
EIVT	Electrical and Instrumentation Verification Test (NASA)	CASI
EJRT	Engineering Job Release Ticket	Goddard
EKG	Electrocardiogram	CASI
EL	Exposure Limits	CASI
ELAS	Equilibrium Problems of Linear Structures	CASI
ELDO	European Launching Development Organization	CASI
ELDO	European Space Vehicle Launcher Development Organization (Now ESA - European Space Agency)	CASI
ELF	Extremely Low Frequency	CASI
ELG	Engineering Log Generator	Goddard
ELI Alloys	Extra Low Interstitial Grade	CASI
ELINT	ELectronic INTelligence	CASI
ELISA	Enzyme Linked ImmunoSorbent Assay	CASI
ELM	Experiment Logistics Module	CASI
ELMS	Earth Limb Measurement System	CASI
ELRAD	Earth-Limb Radiance Equipment	CASI
ELS	Emergency Landing Site	CASI
ELT	Engineering Lab Team	Langley
ELT	Emergency Locator Transmitter	CASI
ELV	Expendable Launch Vehicle	CASI
EM	Electro Magnetic	Goddard
EM	Electronics Module	Goddard
EM	Engineering Memorandum	Goddard
EM	Engineering Model	Goddard
EM	Equipment Module	Goddard
EM	Electromagnetic	CASI
EMA	Experimental Modal Analysis	CASI
EMACS	Engine Monitoring And Control System	CASI
EMAP	ElectroMechanical Actuation System	CASI
EMAP	Environment for Managing Atlas Programs	CASI
EMAP	Environmental Monitoring and Assessment Program	CASI
EMAS	ElectroMagnetic Analysis System	CASI
EMC	Electro Magnetic Charge	Goddard
EMC	Electromagnetic Compatibility	CASI
EMCAT	Emergency Management Computer Aided Trainer	CASI
EMCC	Emergency Mission Control Center	Goddard
EMDS	Enhanced Mass Data Storage	Goddard
EME	Electromagnetic Environment	Langley
EMF	Electromotive Force	Goddard
emf	Electromotive force	CASI
EMF	Explicit Model Following	CASI
EMG	Electromyogram	CASI
EMI	Electro Magnetic Interference	Goddard
EMI	Electromagnetic Interference	CASI
EMIC	Electromagnetic Interference/Compatibility	CASI
EMIC	Electromagnetic Ion Cyclotron	CASI
E-MIC	EPS Module Interface Card	Goddard
EMITS	Electronic Mail Invitation to Tender System	Goddard
EML	Equatorial Magnetosphere Laboratory (Satellite in the OPEN program)	CASI
EMOS	EOS Mission Operations System	CASI
EMR	Electromagnetic Radiation	CASI
EMSS	Experimental Mobile Satellite System	CASI
EMU	Extravehicular Mobility Unit	Goddard
EMU	Extravehicular Maneuvering Unit	CASI
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ENAP	Energetic Neurtal Atom Precipitation	CASI
ENC	Equivalent Noise Charge	Goddard
ENDF	Evaluated Nuclear Data File (AEC)	CASI
ENGEN	Enabling Next Generation Mechanical Design	Goddard
ENO	Essentially Non-Oscillatory	CASI
ENSO	El Nino Southern Oscillation	CASI
ENVISAT	Environmental Satellite (ESA)	Goddard
EO	Earth Observation	Goddard
EO	Earth Orbit	CASI
EO	Electro-Optical	CASI
EO	Engineering Order	Goddard
EO	Equal Opportunity	Goddard
EO	Earth Orbiter	Goddard
EO	Earth Escape Orbit; Earth Observing	CASI
EO-1	Earth Orbiter-1	Goddard
EOC	End of Contract	Goddard
EOC	EOS Operations Center	CASI
EOCAP	Earth Observation Commercial Applications Program	Langley
EOCC	EOS Operations and Control Center	Goddard
EOCR	Experimental Organic Cooled Reactor	CASI
EOD	Entrance on Duty	Goddard
EOF	End of File	Goddard
EOF	Experimenters’ Operations Facility	Goddard
EOGO	Eccentric Orbiting Geophysical Observatory; also EGO - NASA	CASI
EOICWG	Earth Observations International Coordination Working Group	CASI
EOIM	Evaluation of Oxygen Interaction with Materials	CASI
EOL	End of Life	CASI
EOM	Earth Observation Mission (NASA)	Langley
EOM	End of Mission	Langley
EOMV	Enhanced Orbital Maneuvering Vehicle	CASI
EOO	Education and Outreach Officer	Goddard
EOP	Equal Opportunity Programs	Langley
EOPAP	Earth and Ocean Physics Application Program (NASA)	CASI
EOPP	Experiments of Opportunity	Goddard
EOR	Earth Orbit Rendezvous	CASI
EOS	Equations of State	CASI
EOS	Earth Observatory Satellite (NASA)	Langley
EOS	Earth Observing System	CASI
EOS AM	Earth Observing System Observatory AM or Morning Crossing (Descending) Mission (Terra)	Goddard
EOS PM	Earth Observing System Observatory PM or Afternoon Crossing (Ascending) Mission (Aqua)	Goddard
EOS-AERO	EOS Aerosol (Shuttle payload to observe aerosols in the atmosphere)	CASI
EOS-ALT	EOS Altimeter (Shuttle payload to observe ocean circulation and global ice sheet mass balance)	CASI
EOS-AM	EOS A.M. (Shuttle payload to observe clouds, aerosols, radiative balance, and characterics of terrestrial surface)	CASI
EOSAT	Earth Observation Satellite Co.	Langley
EOS-CHEM	Earth Observing System-Chemistry (Shuttle payload to observe atmospheric chemical species and their transformations, and ocean surface stress)	CASI
EOSDIS	Earth Observing System Data and Information System	Goddard
EOSDIS	EOS Data/Information System	CASI
EOSP	Earth Observing Scanning Polarimeter	CASI
EOS-PM	EOS P.M. (Shuttle payload to observe clouds and precipitation, terrestrial snow and sea ice, and sea surface temperature and ocean productivity)	CASI
EOSPSO	EOS Project Science Office	Goddard
EOT	End of Tape	Goddard
EOY	End of Year	Goddard
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EP	Earth Probe	Goddard
EP	Electrical Power	Goddard
EP	Explorer Platform	Goddard
EP	Educational Publication; Explosive Package	CASI
EPA	Environmental Protection Agency	CASI
EPACT	Energetic Particles: Acceleration, Composition and Transport	Goddard
EPCC	Environmental Program Coordination Committee	Goddard
EPCOT	Experimental Prototype Community of Tomorrow	Langley
EPCS	Employee Performance and Communication System	Langley
EPD	Energetic Particle Detector	Goddard
EPDS	Electrical Power Design Subsystem	Goddard
EPDSU	Enhanced Power Distribution and Switching Unit	Goddard
EPE	Energetic Proton Events	CASI
EPE-D	Energetic Particle Explorer	CASI
EPF	Employee Performance File	Goddard
EPG	Electrical Power Generator (Space Shuttle)	CASI
EPGN	EOS Polar Ground Network	Goddard
EPGS	EOS Polar Ground Station	Goddard
EPI	Eagle-Picher	Goddard
EPIC	Efficient Pyramid Image Coder	Goddard
EPIRB	Emergency Position Indicating Radio Beacon	CASI
EPL	Engineering Parts List	Goddard
EPM	Earth Pointing Mode	Goddard
EPNDB	Effective Perceived Noise in Decibels	CASI
EPO	Education and Public Outreach	Goddard
EPOCS	Equatorial Pacific Ocean Climate Studies	CASI
EPOP	European Polar-Orbiting Platform	Goddard
EPR	Electron Paramagnetic Resonance; Engine Pressure Ratio	CASI
EPROM	Erasable, Programmable Read-Only Memory	Goddard
E-PROM	Electronically Programmable Read-Only Memory	CASI
EPROM	Electronically Programmable Read Only Memory	CASI
EPRS	Electronic Purchase Request System (LaRC)	Langley
EPS	Electrical Power Subsystem	Goddard
EPS	Encapsulated Post Script	Goddard
EPS	Energetic Particles Sensor	CASI
EPS	Electrical Power System	CASI
EPSCoR	Experimental Program to Stimulate Competitive Research	CASI
EPT	Electrical Product Team	Goddard
EQM	Engineering Qualification Module	Goddard
EQM	Engineering Qualifying Model	Goddard
ER	Equipment Room	Goddard
ERAST	Environmental Research Aircraft and Sensor Technology	CASI
ERB	Earth's Radiation Budget	Langley
ERB	Engineering Review Board	Goddard
ERB	Earth Radiation Budget	CASI
ERBE	Earth Radiation Budget Experiment	CASI
ERBS	Earth Radiation Budget Satellite	CASI
ERCN	Educator Resource Center Network	Goddard
ERDA	Energy Research Development Act	CASI
ERDE	Explosives Research and Development Establishment (Great Britain)	CASI
EREP	Earth Resources Experiment Package (Skylab - NASA)	CASI
ERG	EOSIDS Review Group	Goddard
ERG	Electroretinogram	CASI
ERI	Employee Retraining Initiative	Langley
ERIC	Educational Resources Information Center	CASI
ERL	Environmental Research Laboratory (NOAA)	CASI
ERO	Early Release Observation	Goddard
EROS	Earth Resource Observation System	Goddard
EROS	Earth Resources Observation Systems (DOI)	CASI
EROS PROJECT	Experimental Reflector Orbital Shot Project	CASI
ERS	European Space Agency Remote Satellite	Goddard
ERS	Earth Remote-Sensing Satellite	CASI
ERS-1	Earth Remote Sensing Satellite-1	Langley
ERS-1	ESA Remote Sensing Satellite-1	CASI
ERTS	Earth Resources Technology Satellite	CASI
ERWG	Electronic Reporting Working Group	Langley
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ES	Earth Station	Goddard
ES	Equipment Section	Goddard
ESA	Agence Spatiale Europeanne (European Space Agency)	Langley
ESA	Earth Sensor Assembly	Goddard
ESA	Electrostatic Analyzer	Goddard
ESA	Employee Services Area	Goddard
ESA	Enterprise Systems Architecture	Goddard
ESA	Extended Systems Architecture	Langley
ESA	European Space Agency	CASI
ESAD	Earth Science and Application Division	CASI
ESA-x	European Space Agency-x (Foreign Reimbursable Hitchhiker-G payload sponsored by ESA)	CASI
ESB	Elastic Storage Buffer	Goddard
ESC	Electrical Systems Center	Goddard
ESC	Electronic Still Camera	Goddard
ESC	Electronic Systems Command	Goddard
ESC	Engineering Support Center	CASI
ESC	European Space Conference	CASI
E-SCAN	Electronically Scanned Antennas; Electronic Selected Current Aerospace Notices or Electronic SCAN	CASI
ESCC	Electrically Self-Calibrating Cavity	Goddard
ESD	Electro Static Discharge	Goddard
ESD	Electronic Systems Division	CASI
ESD	Electrostatic Discharge	CASI
ESDIS	Earth Science Data and Information System	CASI
ESE	Earth Science Enterprise	Goddard
ESEL	EVA Support Equipment List	Goddard
ESF	Elementary Symmetric Function	CASI
ESG	Electrically Suspended Gyroscope	CASI
ESGP	Earth Science Geostationary Platform	CASI
ESIP	Earth Science Information Partner	Goddard
ESM	Electronics Support Module	Goddard
ESMR	Electronically Scanning Microwave Radiometer	Goddard
ESN	Essential Services Node	Goddard
ESO	European Southern Observatory	CASI
ESO	Electronic Systems Div., Air Force Systems Command, Bedford, MA	CASI
ESOC	Equivalent State of Charge	Goddard
ESPA	EELV Secondary Payload Adapter	Goddard
ESPIRIT	European Strategic Program for Research in Information Technology	Goddard
ESPOD	Electronic Systems Precision Orbit Determination (AF)	CASI
ESR	Emergency Sun Reacquisition	CASI
ESR	Electron Spin Resonance	CASI
ESRI	Environmental Systems Research Institute (NASA)	CASI
ESRO	European Space Research Organization (Now ESA - European Space Agency)	CASI
ESS	Earth and Space Sciences	Langley
ESS	Engineering Support Subsystem (Ecom)	Goddard
ESS	Engineering Support System	Goddard
ESS	European Spallation Source	CASI
ESS	Environmental Satellite Subpanel	CASI
ESSA	Environmental Science Services Administration (Now NOAA - National Oceanic and Atmospheric Administration)	CASI
ESSAAC	Earth System Science and Applications Advisory Committee	Goddard
ESSC	Earth System Sciences Committee	Goddard
ESSERGY	Essential Energy (Chemical systems)	CASI
ESSP	Earth System Science Pathfinder	CASI
ESSPO	Earth Science System Program Office	Goddard
EST	Eastern Standard Time	CASI
ESTAR	Electronically Steered Thinned Array Radiometer	Langley
ESTAR	Electronically Scanned Thinned Array Radiometer	CASI
ESTE	Electrical Special Test Equipment	Goddard
ESTEC	European Space Research and Technology Center (Netherlands)	CASI
ESTF	Electrical Systems Test Facility	Goddard
ESTIF	Extended Systems Test and Integration Facility	Goddard
ESTL	Electronic Systems Test Laboratory, JSC	Goddard
ESTO	Earth Science Technology Office	Goddard
ESTR	Engineering Science Tape Recorder	Goddard
ESTRACK	European Space Tracking (Network)	CASI
ET	Ephemeris time	CASI
ET	Evapotranspiration	CASI
ET	External Tank (Space Shuttle)	CASI
ET	Effective Temperature	CASI
ETA	Estimated time of arrival	CASI
ETA	External Tank Attack	CASI
ETB	Experimental Test Bed	Langley
ETC	Estimate to Complete	Goddard
ETC	European Topic Centre	CASI
ETC/CDS	European Topic Centre/Catalogue of Data Sources	CASI
ETDE	Energy Technology Data Exchange	CASI
ETE	End-to-End	Goddard
ETF	Electrical Test Facility	Goddard
ETL	Electrotechnical Laboratory (Japan)	CASI
ETL	Extract Transform Load	CASI
ETM+	Enhanced Thematic Mapper Plus (Landsat 7)	Goddard
ETO	Extended Time Observations	Langley
ETR	Engineering Tape Recorder	Goddard
ETR	Eastern Test Range	CASI
ETR	Engineering Test Reactor	CASI
ETS	EOSDIS Test System	Goddard
ETS	Engineering Test Satellite	CASI
ETSF	EOC Training Simulator Facility	Goddard
ETU	Engineering Test Unit	Goddard
ETW	European Transonic Wind Tunnel	Langley
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EU	Engineering Unit	Goddard
EU	European Union	CASI
EU	Expander Unit	Goddard
EUMETSAT	European Organisation for the Exploitation of Meteorological Satellites	CASI
EURAD	European Acid Decomposition	CASI
EURD	Espectrograto Ultravioleta de Radiacion Difusa	Goddard
EURECA	European Retrievable Carrier	CASI
EUTELSAT	European Telecommunications Satellite	Goddard
EUV	Extreme Ultra Violet	Goddard
EUV	Extreme Ultraviolet (Wavelengths ~ 100-200 nm)	CASI
EUVE	Extreme Ultraviolet Explorer	CASI
EV	Earned Value (use earned-value for EDHS search)	Goddard
EV	Electronics Volts	Goddard
EV	Electron Volts	CASI
EVA	Extravehicular Activity (Aerospace)	Langley
EVA	Extra-Vehicular Activity	CASI
EVA/IVA	Extra-Vehicular Activity/Intra-Vehicular Activity	CASI
EVADE	Evaluation of Air Defense Effectiveness	CASI
EVAS	Extravehicular Activity System	CASI
EVAWG	EVA Working Group	Goddard
EVCS	Extravehicular Communications System (Space Shuttle)	CASI
EVD	Engine Valve Driver	Goddard
EVEEP	Environmental Verification Experiment for the Explorer Platform	Goddard
EVS	Equipment Visibility System	CASI
EWQ	Exceptionally Well Qualified	CASI
EWR	Eastern-Western Range	Goddard
EXAMETNET	Experimental Inter-American Meteorological Rocket project (NASA)	CASI
EXIST	Energetic X-ray Imaging Survey Telescope	Goddard
EXITE	Energetic X-ray Imaging Telescope Experiment	CASI
ExNPS	Exploration of Neighboring Planetary Systems	CASI
EXOSAT	European X-ray Observatory Satellite	CASI
EXPOS	(X-ray spectropolarimetry payload on Spacelab)	CASI
EXPRESS	Expedited Processing of Experiments to Space Station	Langley
EZDESIT	"Easy Does It" (finite element sizing code)	Langley
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