| Acronym | Meaning |
| PCCN | Provisioning Contract Control Number |
| RVS | Reverse |
| SVO | Space Vehicle Operations (KSC Dir.) |
| TOP | Technical Operating Procedure |
| SMS | Shuttle Mission Simulator |
| DBGMP | DBMDecibels Referred To I Milliwatt |
| GNCTS | GNGNCTSGN&C Test Station |
| S/P | Serial To Parallel |
| OIS | Orbiter Instrumentation Systems |
| FSU | Freon Servicing Unit |