| Abbreviation | Definition |
|---|---|
| CWR | Calm Water Ramp |
| CWR | Continuous Wave Radar |
| CWS | Chemical Warfare Service |
| CWS | Collision Warning System |
| CWSS | Cold Weather Sleep System |
| CWST | Combat Water Survival Test |
| CWT | Central Wing Tank |
| CWT | Combat Weather Team |
| CWT | Customer Wait Time |
| CWW | Cruciform Wing Weapon |
| CX | Categorical Exclusions |
| CX | Concept X |
| CXR | Chest X Ray |
| CY | Current Year (Government budgeting) |
| CYC | China Youth Corps |
| CZ | Coastal Zone |
| CZ | Code Zebra |
| CZ | Combat Zone |
| CZA | Coastal Zone Management, State |
| D | Dragoons |