| Acronym | Meaning |
| CRSI | Ceramic Reusable Surface Insulation |
| EDC | Engineering Design Change |
| HAINS | High-accuracy Inertial Navigation System |
| FF | Flight Forward |
| ML | Mold Line |
| PLS | Propellant Loading System |
| COS | Cosine |
| FU | Fuel |
| IOF | Initial Operational Flight |
| SY | Shoulder Yaw |