| Abbreviation | Definition |
|---|---|
| SOM | System Operational Manager |
| SOMA | Status of Mission Agreement |
| SOMARDS | NT Standard Operation and Maintenance Army Research and Development System Non-Technical |
| SOMARDS | Standard Operation and Maintenance Army Research and Development System |
| SOMAS | Standard Operation and Maintenance Army System |
| SOMAS | Standard Operation and Maintenance, Army System |
| SOMNIA | Spotlight On Military News and International Affairs |
| SOMO | Suspension of Military Operations |
| SOMPF | Special Operations Mission Planning Folder |
| SOMS | Schl Of Military Sciences |
| SOMS | State Operated Mobilization Station |
| SON | Statement Of Need |
| SONAR | Sound Navigation And Ranging |
| SONAR | Sound Navigation Radar |
| SONET | Synchronous Optical Network |
| SONMET | Special Operations Naval Mobile Environment Team |
| SoO | Ship of Opportunity |
| SOO | Statement Of Objectives |
| SOOP | Center For Operations, Plans, and Policy |
| SOP | Soldiers On Parade |