| Abbreviation | Definition |
|---|---|
| SABER | Situational Awareness Beacon With Reply |
| SABMIS | Seaborne Anti Ballistic Missile Intercept System |
| SABRE | Single Army Battlefield Requirements Evaluator |
| SABRE | Small Arms Ballistic Rapid Energy |
| SABRE | Software Architecture Based Requirements Engineering |
| SAC | Scenario Aircraft Converter |
| SAC | Senate Appropriations Committee |
| SAC | Senior Advisory Council |
| SAC | Sense Alter Control |
| SAC | Sense, Alter, Control |
| SAC | Special Actions Cell |
| SAC | Strategic Air Command |
| SAC | Supporting Arms Coordinator |
| SAC | Survive And Continue |
| SACC | Service Academy Career Conference |
| SACC | Supporting Arms Coordination Center |
| SACCS | Strategic Army Command and Control Software |
| SACCS | Strategic Automated Command and Control System |
| SACEP | Salvation Army Continuing Education Program |
| SACEUR | Supreme Allied Commander, Europe |