| Acronym | Meaning |
| GSIU | Ground Standard Interface Unit |
| PM | PMAPerformance Monitor Annunciator |
| OTP | OPerational Test Procedure |
| SACS | Software Avionics Command SuPport |
| FBV | Field Base Visit |
| SIM | Scientific Instrumentation Module |
| T+ | Time Postintegration |
| PA | Product Assurance |
| CP | Center Of Pressure |
| FS | Flight System |