| Acronym | Meaning |
| AGTS | Advanced Gunnery Training System |
| FAVS | Future Armoured Vehicle System |
| BSF | British Standard Fine (screw Thread) |
| PRY | Paraguay (ISO 3166 Trigram) |
| YT | Yoctotesla |
| A&S | Armament & Standardisation |
| NAA | N-Acetylaspartate |
| OS | Ossetic Language (ISO 639-1 Code) |
| RDD | Radiological Dispersion Device |
| DSP | Defense Standardization Program - Defense Support Program - Digital Signal Processing |