| Acronym | Meaning |
| MTTFF | Mean Time To First Failure |
| USB | Upper Side Band |
| MAI | Machine-Aided Indexing |
| PRCB | ProgramRequirementsControlBoard |
| PUCS | Propellant Utilization Control System |
| EOR | Earth Orbit Rendezvous |
| IP | InstruMentation PCM Data Bus |
| INTASAT | Instituto Nacional De Technica Aeroespacial Satell |
| MDT | Mean Down Time |
| B-1 | DIV B-1 Division (Rockwell) |