| Acronym | Meaning |
| IDO | InterdivisionalOperations |
| REDUN | Redundancy |
| C&T | Communications And Tracking |
| NCS | Nutation Control System |
| GM | Gaseous Mixture |
| TT | Terminal Timing |
| SMS | Solar Maximum Satellite |
| BSI | Boeing Services International |
| ARTS | Automated Resource Tracking System - ARTEMIS |
| MPIIN | Modification Procurement Instrument Identification |