| Acronym | Meaning |
| DCC | Data Computation Complex (JSC) |
| NUCLEAR | ShuNuclear Shuttle |
| SIM | Simulate |
| TPI | Terminal Phase Initiation |
| BLV | Bleed Valve |
| GP | General Purpose |
| MA&P | Maintenance Analysis And Planning |
| SC | Service Charge |
| OSF | Office Of Space Flight (now OSTS) |
| SCDR | Shuttle Critical Design Review |