NASA Acronyms

Alphabetical Listing of NASA Acronyms

• ESVS — Escape Suit Ventilation System
• ESVS — Escape System Ventilation System
• ESW — Engine Status Word
• ET — Edge Thickness
• ET — Elapsed Time
• ET — Elevated Temperature
• ET — Event Timer
• ET — External Tank
• ET — External Tank
• ET-SEP — External Tank Separation
• ETA — Environmental Test Article
• ETA — Estimated Time Of Arrival
• ETA — Estimated Time To Acquisition
• ETA — Explosive Transfer Assembly
• ETA — External Tank Attachment
• ETB — Equipment Transfer Bag
• ETC — Greenbelt
• ETC — Earth Terrain Camera
• ETC — Estimate To Completion
• ETCO — Equipment Transfer/Change Order
• ETD — Electrical Terminal Distributor
• ETD — Estimated Turnover Date
• ETD — External Tank Door
• ETE — End-to-End
• ETI — Elapsed Time Indicator
• ETLOW — External Tank Lift-Off Weight
• ETM — ElaPsed Time Meter
• ETP — Equipment Test Plan
• ETR — Eastern Test Range
• ETR — Eastern Test Range (ESME Preferred)
• ETROD — Eastern Test Range Operations Directive
• ETS — Electrical Test Set
• ETS — Energy Transfer System
• ETS — External Tank System (Subsystem)
• ETSS — External Tank Separation Subsystem
• ETVA — External Tank Vent Arm
• EU — Electronic Unit
• EU — Engineering Units
• EU — Experimental Unit
• EUROCOMSATE — European Consortium Communications Satellite
• EUV — Extreme Ultraviolet
• EUVE — Extreme Ultraviolet Explorer
• EV — Electron Volts
• EV — Expendable Vehicles
• EV — Extravehicular
• EVA — Earned Value Analysis
• EVA — Extravehicular Activity
• EVA — Extravehicular Activity
• EVAL — Evaluate
• EVAL — Earth Viewing Applications Laboratory
• EVAP — Evaporator
• EVATA — Extravehicular Activity Translational Aid
• EVC — Extravehicular Communications
• EVCON — Events Control (Subsystem)
• EVCS — Extravehicular Communications System
• EVCU — Extravehicular Communications Umbilical
• EVD — External Visual Display
• EVF — Equipment Visibility File
• EVLSS — Extravehicular Life Support System
• EVM — Earth Viewing Module
• EVMU — Extra Vehicular Mobility Unit
• EVO — Engineering Verification Order
• EVS — Equipment VisibilitY System
• EVS — Extravehicular Suit
• EVSC — Extravehicular Suit Communications
• EVSS — Extravehicular Space Suit
• EVSU — Extravehicular Space Unit
• EVT — Engineering Verification Test
• EVT — Extravehicular Transfer
• EVVA — Extravehicular Visor Assembly
• EWA — Estimated Warehouse Arrival
• EWE — Emergency Window Escape
• EWO — Engineering Work Order
• EWR — Engineering Work Request
• EX — Executive Management Office (KSC Directorate)
• EXC — Experiment Computer
• EXCH — Exchange
• EXEC — Execute
• EXH — Exhaust
• EXO — Experiment Operator (in Spacelab)
• EXP — Expand
• EXP — Experiment
• EXP — Exposure
• EXPEN — Expendable
• EXT — Experiment Terminal (Operator Console On Spacelab)
• EXT — Extension
• EXT — External
• EXTD — Extend
• EXTER — External
• EXTGH — Extinguish
• F — Fahrenheit
• F — Failure
• F — Farad (SI Unit Of Capacitance)
• F — Female
• F — Forward
• F — Front
• F — LCA Forward Load Control Assembly
• F&E — Facility And Envii-onment
• F/0 — Fuel/Oxidizer Ratio
• F/A — Failure Analysis