| Acronym | Meaning |
| VTP | Verification TestProgram |
| OAT | Operational Acceptance Test |
| DEU | Display Electronic(s) Unit |
| SRCBD | Software Requirements Control Board Directive |
| FCP | Fuel Cell Power (Plant) |
| MAA | Maximum Authorized Altitude |
| BRM | Biological Research Module |
| SSFL | Santa Susana Field Laboratory |
| MR | Mixture Ratio |
| LB | Low Bay |