| Abbreviation | Definition |
|---|---|
| CSLA | Communications Security Logistics Activity |
| CSLBM | Conventional Submarine Launched Ballistic Missile |
| CSLC | Coherent Side Lobe Cancellation |
| CSLC | oherent Side Lobe Cancellation |
| CSM | Cheyenne Support Module |
| CSM | command and service module |
| CSM | Command Sergeant Major |
| CSM | Company Sergeant Major |
| CSM | Compartmented Security Mode |
| CSMA | Carrier Sense Multiple Access |
| CSMA/CA | Carrier Sense Multiple Access/ Collision Avoidance |
| CSMA/CD | Carrier Sense Multiple Access/ Collision Detection |
| CSMET | Crew Station Mission Equipment Trainer |
| CSMO | Close Station March Order |
| CSMP | Current Ships Maintenance Projects |
| CSMS | Consolidated Support Maintenance Shop |
| CSMU | Crash-Survivable Memory Unit |
| CSNP | Causeway Section, Non-Powered |
| CSNP(BE) | Causeway Section, Non-Powered (Beach End) |
| CSNP(I) | Causeway Section, Non-Powered (Intermediate) |