| Abbreviation | Definition |
|---|---|
| SBTG | Sabotage |
| SBU | Sensitive But Unclassified |
| SBU | Solider Body Unit |
| SBU | Special Boat Unit |
| SBU | Strategic Base Unit |
| SBV | Space-Based Vehicle |
| SBW | Soul Bound Weapon |
| SBX-1 | Sea-Based X-Band Radar |
| SBY | Standby |
| SC | Saurya Chakra |
| SC | Sea Current |
| SC | Search and Rescue Coordinator |
| SC | Security Challenge |
| SC | Security Cooperation |
| SC | Self Contained |
| SC | Shaped Charge |
| SC | Signal Center |
| SC | Signal Corps |
| SC | Silent Communication |
| SC | Single Channel |