| Abbreviation | Definition |
|---|---|
| SACEUR | Supreme Allied Commander, Europe (NATO) |
| SACG | Selective Antenna Coupler Group |
| SACLANT | Supreme Allied Command, Atlantic |
| SACMFCS | Small Arms Common Module Fire Control System |
| SACO | Staff Actions Control Officer |
| SACS | Secure Telephone Unit (STU) Access Control System |
| SACS | Structure and Composition System |
| SACT | Supreme Allied Commander Transformation |
| SAD | Search And Destroy |
| SAD | Situation Awareness Display |
| SAD | Space Artillery Drill |
| SAD | Supply Action Date |
| SAD | System Allocation Document |
| SADA | Standard Advanced Dewar Assembly |
| SADARM | Sense and Destroy Armor Munition |
| SADBU | Small and Disadvantaged Business Utilization |
| SADC | Sector Air Defense Commander |
| SADF | South African Defense Force |
| SADFRAD | Synthetic Aperture Dual Frequency Radar |
| SADFRAD | ynthetic Aperture Dual Frequency Radar |