| Abbreviation | Definition |
|---|---|
| CSPAAD | Coarse Sun Pointing Attitude Anomaly Detection |
| CSPU | Core Segment Processing Unit |
| CSR | Center for Space Research |
| CSR | Certification Status Report |
| CSR | Check Signal Return |
| CSR | Concept Study Report |
| CSR | Crew Station Review |
| CSRP | Computers and Software Review Panel |
| CSS | Computer SubSystem |
| CSS | Control Stick Steering |
| CSS | Core Segment Simulator |
| CSSA | Coarse Sun Sensor Assembly |
| CSSE | Control System Simulation Equipment |
| CST | Central Standard Time |
| CST | Centre Spatiale de Toulouse (Toulouse Space Center) |
| CST | Combined Systems Test |
| CST | Contract Supplemental Tooling |
| CST | Crew Station Trainer |
| CST | Crew Systems Trainer (One-G Trainer) |
| CSTA | Crew Software Training Aid |