Army & Military Abbreviations and Acronyms
- E&MDEngineering & Manufacturing Development
- E-DAYStart Day of an Exercise
- E-DRBExpanded Defense (Planning &) Resources Board
- E-MIPEEnhanced MIPE
- E-NETEthernet
- E-OPTINTElectro-Optical Intelligence
- EI (formerly UI)Employment Insurance
- ENGESAEngesa Engenheiros Especializados (Brazil)
- EP-3U.S. Navy Reconnaissance Aircraft
- ERFB-BBextended range full-bore - base bleed
- F3SField Station Support System
- FAST-IForward Area SID and TRAP-Improved
- FAST/I2Improved FAST/I
- FASTCForeign Aerospace Science and Technology Center (archaic, now NAIC)
- FASTFAXTactical Digital Facsimile
- FASTLFuture Analytic Strategic Target List
- FCG2FORSCOM G2
- FedNor(Federal Economic Development Iniative for Northern Ontario )
- FFGHGuided-Missile Aviation Frigate
- FI&SSForeign Intelligence and Security Service(s)
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