| Acronym | Meaning |
| MBC | Maximum Breathing Capacity |
| INSIDE | DiamInside Diameter |
| FACO | Fabrication And Acceptance Checkout |
| EDCP | Engineering Design Change ProPosal |
| IAS | Indicated Airspeed |
| HPOT | High Pressure Oxidizer Turbopump |
| RED | Reduction |
| PICS | Predefined Input Control Sequence |
| RG | Radio Guide |
| SPA | Signal Processor Assembly |