| Acronym | Meaning |
| IPS | Inertial Reference Integrating Gyro |
| SSPM | Space Shuttle Program Manager |
| GS | Ground Speed |
| NAR | Numerical Analysis Research |
| DM | DeveloPmental Instrumentation MDM.Mid |
| OSTDS | Office Of Space Tracking And Data Systems |
| CALC | Calculate |
| LBNPD | Lower Body Negative Pressure Device |
| KPS | Kilometers Per Second |
| BRG | Bearing |