| Acronym | Meaning |
| DCC | Data Computation Complex (JSC) |
| FDS | Flight Dynamics Software/System |
| GRE | Gamma Ray Explorer |
| SPOC | Shuttle Payload Operations Contractor |
| PRD | ProcurementRequirementsDocument |
| TRANS | Translation |
| UNLK | Unlock |
| TCSSS | Thermal Control Subsystem Segment |
| SDS | Shuttle Dynamic Simulation (Simulator) |
| TTY | Teletype |