| Acronym | Meaning |
| M/R | Mixture Ratio (Fuel To Oxidizer) |
| ECS | Engine Control SYstem |
| HAS | Holddown Alignment Support |
| JETS | Joint Electronics Type (Designation) System |
| GA | Gyro Assembly |
| SP&S | Special Processes And Sequencing |
| OPE | Other Project Element |
| SOLN | Solution |
| ISO | International Standardization Organizations |
| W/B | Wideband |