| Acronym | Meaning |
| PETB | Preflight Test Bus |
| MTW | MaximumTaxiWeight |
| SPR | Subcontractor Performance Review |
| FWD | Forward |
| MIMOSA | Mission Modes And Space Analysis |
| GASPI | Guidance Attitude Space Position Indicator |
| VMF | Vertical Maintenance Facility |
| LOM | Input/Output Module |
| CIA | Control Interface Assembly |
| PMHL | Preferred Measurement Hardware List |