| Abbreviation | Definition |
|---|---|
| SCP | Specific Candle Power |
| SCPS | Space Communications Protocol Standards |
| SCR | Schedule Change Request |
| SCR | Sneak Circuit Report |
| SCR | StripChart Recorder |
| SCRG | System Change Review Group |
| SCRJ | Supersonic Combustion RamJet |
| SCRL | Station Configuration Requirement List |
| SCRS | Serialized Control and Reporting System |
| SCRS | Strip Chart Recording System |
| SCRSY | Serialized Control and Record SYstem |
| SCS | Secondary Coolant System |
| SCS | Space Collaboration System |
| SCS | Spacecraft Control System |
| SCS | Stabilization and Control System |
| SCS | Super Composite Skin |
| SCS | System Configuration Switch |
| SCT | SCanning Telescope |
| SCU | Secondary Control Unit |
| SCU | Sequence Control Unit |