| Abbreviation | Definition |
|---|---|
| SAG | Supplies And Gear |
| SAG | Surface Action Group |
| SAGE | Semi Automated Ground Environment |
| SAGE | Semi-Automatic Ground Environment |
| SAH | swiss army histogram |
| SAHR | Society for Army Historical Research |
| SAI | Sea-To-Air Interface |
| SAI | Senior Army Instructor |
| SAI | Single Accountable Individual |
| SAI | Single Agency Item |
| SAI | Steel Arch Igloo |
| SAI | Super Army Infantry |
| SAIB | Source Approval Information Booklet |
| SAIC | Science Applications International Corporation |
| SAID | Sense Analyze Interpret And Decide |
| SAID | System Average Interruption Duration |
| SAIL | Secretary of the Army, Installations, Logistics, and Environment |
| SAILS | Standard Army Intermediate Level Supply System |
| SAINT | Strategic Artificially Intelligent Nuclear Transport |
| SAIRS | Standardized Advanced IR Sensor |