| Acronym | Meaning |
| RAS | Requirements Allocation Sheet |
| CIN | Change Identification Number |
| VU | Vehicle Utility |
| PC | Chamber Pressure |
| RSI | Reusable Surface Insulation |
| HLDS | Hydrogen Leak Detection System |
| CM&S | Communications Maintenance And Storage |
| LPG | Liquid Propellant Gun |
| DRG | Digital Ranging Generator |
| HTLL | High Test Level Language |