| Acronym | Meaning |
 | SWZ | Swaziland (ISO 3166 Trigram) |
| ISF | Internal Security Force |
| DBM | De Bellis Multitudinis (miniature Wargaming Rules) - Detection By Movement (military Target) |
| SPAAG | Self-Propelled Anti-Aircraft Gun |
| GOSH | Great Ormond Street Hospital |
| CIWS | Close-In Weapon System |
| SAC | Standards Activity Committee (of SISO) - U.S. Strategic Air Command (1946-1992) |
| GY | Guyana (FIPS 10-4 Country Code; ISO 3166 Digram) |
| JPN | Japan (ISO 3166 Trigram) |
| TRA | Technology Readiness Assessment |
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