| Acronym | Meaning |
| RTD | Resistance Temperature Device |
| FT&C | Formal Training And Certification |
| MAF | Michoud Assembly Facility |
| FLTSATCOM | Fleet Satellite Communications |
| RMS | Root Mean Square |
| PS/FC | Power Supply/Fuel Cell |
| QUAT | Quaternion |
| RANN | Research Applied To National Needs |
| MLP | Mobile Launch (Launcher) Platform |
| GECALL | GCOS Program Element Name |