| Acronym | Meaning |
| RIF | Reduction In Force (layoffs) - Resistance Index For Frostbite |
| SOUTHAG | Southern Army Group |
| SME | Northern Sami Language (ISO 639-2 Code) |
| NPOV | Neutral Point Of View |
| TZA | Tanzania (ISO 3166 Trigram) |
| NSS | (U.S.) Naval Simulation System |
| DWI | Dance With Intensity - Danish West Indies - Diffusion-weighted Imaging - Direct Water Injection - Disaster Welfare Inquiry - Drinking Water Inspectorate - Driving While Intoxicated/Impaired |
| SOM | Simulation Object Model -Somalia (ISO 3166 Trigram) |
| HLA | High Level Architecture - Human Leukocyte Antigen |
| CCA | Counter Command Activity |