| Acronym | Meaning |
| S/C | Subcontractor |
| SS | Single Sideband |
| NAVSAT | Navigation Satellite |
| DD&CS | Dedicated Display And Control Subsystem |
| TRA | Turnaround Requirements Analysis |
| ADC | Affiliated Data Center |
| THC | Translation Hand Controller |
| KSC | John F. Kennedy Space Center |
| PCR | Publication Change Request |
| MACRO | Merge And Correlate Recorded Output (Program) |