| Acronym | Meaning |
| CIS | Component Identification Sheet |
| PPM | EPacific Plate Motion Experiment |
| SDF | System Development Facility (Breadboard) |
| MEB | Main Electronics Box |
| LCC | Launch Commit Criteria |
| FIE | Flight Instrumentation Engineer |
| CIN | Change Identification Number |
| HEGV | Helium Gage Valve |
| TFCS | Triplex Flight Control System (Subsystem) |
| UNDK | Undock |