| Acronym | Meaning |
 | DRES | Defence Research Establishment Suffield (obsolete 2002) |
| FFF | F?d?ration Fran?aise De Football (French |
| SWAN | System For Wearable Audio Navigation |
| NKVD | Narodnyi Komissariat Vnutrennikh Del (Russian People's Commissariat Of Internal Affairs) (1934-1954) |
| SSO | Submarine Oiler (retired US Navy Hull Classification) |
| LOTIS | Livermore Optical Transient Imaging System |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
| GFY | Good For You Or Go Fuck Yourself |
| USSPACECOM | United States Space Command |
| PVE | Player Versus Environment |
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