| Acronym | Meaning |
| HSL | Hardware Simulation Laboratory |
| PUCS | Propellant Utilization Control System |
| SPIDPO | Shuttle Payload Integration And Development Progra |
| LC | Intercom (Orbiter To Ground Via Hardline) |
| RA | Radar Altimeter |
| BP | Constant |
| TS | Technical Support (KSC Directorate) |
| KIB | KiloPounds |
| OVF | Overfill |
| W/B | Wideband |