| Abbreviation | Definition |
|---|---|
| SSIP | Sniper System Improvement Programme |
| SSIPF | Standard System Information Production Factory |
| SSJ | Single Sideband Jammer |
| SSKP | ingle-Shot Kill Probability |
| SSKP | Single-Shot Kill Probability |
| SSL | Secure Sockets Layer |
| SSL | Shop Stock List |
| SS-l | Scud Missile |
| SSLA | South Sudan Liberation Army |
| SSLI | State Sponsored Life Insurance |
| SSLSM | Single Service Logistic Support Manager |
| SSM | Simulation Support Module |
| SSM | Soldier System Modeling |
| SSM | Squadron Sergeant Major |
| SSM | Surface to Surface Missile |
| SSM | Surface-to-Surface Missile |
| SSMM | Surface to Surface Missile Module |
| SSMP | Sample Survey Of Military Personnel |
| SSMP | Supply Support Management Plan |
| SSMP | System Safety Management Plan |