| Acronym | Meaning |
| DBGMP | DBIAData Bus Interface Adapter |
| CPC | Characteristics Properties Code |
| CIS | Communications Interface System |
| LRF | Liquid Rocket Fuel |
| VSA | Verification Site Approval |
| FCTB | Flight Crew Training Building |
| I | NTC/0INTC/0Integrated Checkout |
| S/C | Software Contractor |
| GH2 | Gaseous Hydrogen |
| UT | Universal Time |