Army Abbreviations and Acronyms

1. EFC
   Expeditionary Force Canteen
2. EFCG
   Electronic Foreign Clearance Guide
3. EFCS
   Electronic Filmless Camera System
4. EFDD
   Exterqal Floppy Disk Drive
5. EFE
   Extended Flight Envelope
6. EFFP
   Expanded Feasibility Phase
7. EFI
   Expeditionary Forces Institute
8. EFI
   Expeditionary Force Institutes
9. EFMB
   Expert Field Medical Badge
10. EFOG
    Enhanced Fiber Optic Guided
11. EFOG
    M Enhanced Fiber Opticxguided Missile
12. EFOGM
    Enhanced Fiber Optic Guided Missile
13. EFP
    Expanded Feasibility Phase
14. EFP
    Explosively-Formed Projectile
15. EFP
    Explosive Formed Penetrator
16. EFRP
    Enhanced Full Rate Production
17. EFS
    Electronic Filing System
18. EFS
    Expeditionary Force Support
19. EFSP
    Enhanced Flight Screening Program
20. EFTA
    European Free Trade Association (Geneva)

Last updated: December 19, 2021 — Total entries: 29,691