| Acronym | Meaning |
| SRT | Supporting Research And Technology |
| E&D | Engineering And Development |
| FET | Flight Elapsed Time |
| PGR | SPacelab Planning And Ground Rule |
| ETD | Estimated Turnover Date |
| SSD | System Summary Display |
| MMDB | Master Measurement Data Base |
| BP | Capacitance |
| MDT | Measurement Descriptor Table |
| GMIL | SpGMILSpaceffight Tracking And Data Network (STDN) |