| Abbreviation | Definition |
|---|---|
| CRSI | Ceramic Reusable Surface Insulation |
| CRSVR | CRosSoVeR |
| CRT | Cathode-Ray Tube |
| CRTG | CaRTridGe |
| CRW | Control Read/Write |
| CRYO | CRYOgenic |
| CRYT | CRYogen Tank |
| CS | Change Status |
| CS | Checkout Station |
| CS | Clean Sheet |
| CS | Common Set |
| CS | Communications System |
| CS | Consumables Status |
| CS | Control Segment |
| CS | Core Segment |
| CS | Kennedy Space Center Directorate of STS (Space Transportation System) Cargo Operations |
| CS | Spacelab Operations Directorate |
| CS | STS Cargo Operations (KSC Directorate) |
| CSA | Canadian Space Agency |
| CSA | Cyclic Strain Attenuator |