Army & Military Abbreviations and Acronyms

1. FISINT
   Foreign Instrumentation and Signature Intelligence
2. FISS
   Foreign Intelligence and Security Services
3. FIST
   Future Integrated Soldier Technology
4. FIST-T
   Transportable FIST
5. FISTV
   Fire Support Team Vehicle (US)
6. FITCPAC
   Fleet Intelligence Training Center, Pacific
7. FITD
   Forscom Intelligence Training Detachment
8. FITOW
   Further Improved TOW (US)
9. FITT
   Forum for International Trade Training
10. FITWING
    Fighter Wing
11. FLA
    Foreign Launch Assessment
12. FLAGE
    Flexible Lightweight Agile-Guided Experiment
13. FLC
    Foreign Language Committee
14. FLEA
    Frangible Low-Energy Ammunition (i.e. a fragmentation grenade or a low-yield IED)
15. FLEETSATCOM
    Fleet Satellite Communications
16. FLENUMOCEANCEN
    Fleet Numerical Oceanography Center (U.S. Navy)
17. FLEX
    Force-Level Execution System
18. FLI
    Force-Level Information
19. FLIR
    Forward-Looking Infra-Red
20. FLIR
    Forward-Looking Infrared (Radar)

Last updated: May 24, 2020 — Total entries: 5,570