| Abbreviation | Definition |
|---|---|
| FSCM | Federal Supply Code for Manufacturers |
| FSCM | Fire Support Coordination Measure |
| FSCOORD | Fire Support Coordinator |
| FSCOORD | Fire Support Coordinator (Army) |
| FSCS | Fire Support Control System |
| FSCS | Future Scout Cavalry system |
| FSCT | Fire Support Control Terminal |
| FSD | Flying Screen Deterioration |
| FSD | Full Scale Development |
| FSDR | Final Site Design Review |
| FSE | Facility Support Element |
| FSE | Fire Support Element |
| FSE | Functional Support Element |
| FSED | Full Scale Engineering Development |
| FSED | Full Scale Engineering Development life cycle phase |
| FSEM | Fire Support Execution Matrix |
| FSEN | Future Small Extension Node Switches |
| FSF | Foreign Security Forces |
| FSFA | Fire Support Functional Area |
| FSG | Family Support Group |