| Abbreviation | Definition |
|---|---|
| SSC | Small Scale Contingency |
| SSC | Soldier Support Center |
| SSC | Special Security Command |
| SSC | Surveillance Support Center |
| SSC-1 | Shaddock Missile (Coastal Defense) |
| SSC-2A | Salish Missile |
| SSC-2B | Samlet Missile |
| SSCAN | Sector Scan |
| SSCBB | Soldier Systems Center Bulletin Board |
| SSCO | Shipper's Service Control Office |
| SSCP | System Service Control Point |
| SSCRA | Soldiers and Sailors Civil Relief Act |
| SSD | Scandinavian Slash Defenders |
| SSD | Senior Staff Duty |
| SSD | Service Specific Data |
| SSD | Single Shot Damage |
| SSD | Software Support Date |
| SSD | Strategic Studies Detachment |
| SSDA | South Sudan Defence Army |
| SSDC | Space and Strategic Defense Command |