| Abbreviation | Definition |
|---|---|
| FLDSVC | Field Service |
| FLE | Fort Lee Engineering |
| FLED | Fort Lee Engineering Directorate |
| FLEET | Fleet Leading Everyones' Engineered Tomorrows |
| FLEFO | Fort Lee Engineering Field Office |
| FLENUMMETOCCEN | Fleet Numerical Meteorology and Oceanography Center |
| FLENUMMETOCDET | Fleet Numerical Meteorological and Oceanographic Detachment |
| FLEO | Fort Lee Engineering Office |
| FLEXAR | Flexible Adaptive Radar |
| FLEXAR | lexible Adaptive Radar |
| FLG | Flying |
| FLI | Force Level Information |
| FLIDB | Force Level Information Database |
| FLIP | Flight Information Publication |
| FLIP | FLight Information Publications |
| FLIP | Flight Instruction Procedures |
| FLIR | Forward Looking InfraRed |
| FLIR | Forward-Looking Infrared |
| FLIRP | Force Level Information Requirements Plan |
| FLIS | Federal Logistics Information System |