| Acronym | Meaning |
| SAE | Society Of Automotive Engineers - Stamped Addressed Envelope |
| ACO | Airspace Control Order |
| TA | Target Acquisition - Teaching Assistant -Tera-ampere -Territorial Army (UK) -Tristan Da Cunha (ISO 3166 Digram) |
| MYT | Mayotte (ISO 3166 Trigram) |
| PPM | Parts Per Million |
| FADAC | Field Artillery Data Computer |
| SEP | Somebody Else's Problem - Spherical Error Probable - System Enhancement Package - System Engineering Plan |
| YT | Mayotte (ISO 3166 Digram) - Yottatesla - Yukon Territory (postal Symbol) |
| NAAWS | NATO Anti-Air Warfare System |
| INST | Information Standards And Technology |