| Acronym | Meaning |
| MEC | Mission Events Controller |
| SW | Solar Wing |
| MRR | Mission Reconfiguration Request |
| ST | SPace Telescope |
| HRDM | High Rate Demultiplexer |
| SLSA | Shuttle Logistics Support Aircraft |
| OPO | Orbiter Project(s) Office |
| SIPS | Small Instrument Pointing System |
| INSTR | Instrument |
| RAI | Radar Altimeter Indicator |