| Acronym | Meaning |
| LPOTP | Low Pressure Oxidizer Turbopump |
| UCS | Universal Control System |
| MOA | Minute-of-Angle |
| GEOSYNCHRON | Geosynchronous Operational Environmental Satellite |
| ENDF | Evaluated Neutron Data File |
| MHSC | Manipulator Handset Controller |
| QPSK | Quadrature Phase Shift Key |
| NOMINAL | PerNominal Percent Defective |
| PIIN | Procurement Instrument Identification Number |
| SSRN | System Software Reference Number |