| Acronym | Meaning |
| CALL | (U.S.) Center For Army Lessons Learned |
| HQDA | HeadQuarters |
| NNE | North North-East |
| MAGIC | Major Atmospheric Gamma-ray Imaging Cherenkov (telescope) |
| FX | Firefox -Metropolitan France (ISO 3166 Digram; Obsolete 1997) |
| RBCI | Radio Based Combat Identification |
| DMU | Diesel Multiple Unit - A Method Of Connecting Self-propelled Railway Vehicles Together To Form A Train Under The Control Of One Driver. |
| SAD | Seasonal Affective Disorder - Situational Awareness Display |
| DECT | Digital European Cordless Telephone |
| PA 6 | Nylon 6 (PolyAmide) (similarly For PA 11 |