| Acronym | Meaning |
| OLF | Orbiter Landing Facility (now SLF) |
| VORTAC | Variable Omni Range Tactical (VOR And TACAN) |
| CMPTR | ACTYComputer Activity |
| ISSL | Initial Spares Support List |
| TC | Test Conductor (Contractor) |
| MAJ | Major |
| PFC | Power Factor Corrector |
| PCC | Pad Control Center |
| FF | Flip Flop |
| TZ | Translation Hand Controller Z-Axis Direction |