| Acronym | Meaning |
| MA&P | Maintenance Analysis And Planning |
| IPS | IRIG-BInterrange Instrumentation Group B |
| MAG | Magnitude |
| RPLC | Replace |
| IPS | IPSL Interface Problem Status Log |
| MSU | Mass Storage Unit |
| BCRT | Binary Code Range Time |
| TG | Ground Systems (KSC Directorate) |
| ETSS | External Tank Separation Subsystem |
| FCA | Forward Controller Assembly |