| Acronym | Meaning |
| AHD | Ahead |
| FQR | Formal Qualification Review |
| PO | Project Officer |
| RECO | Remote Command And Control |
| FAT | First Article Testing |
| FD&I | Fault Detection And Isolation |
| IECS | Intergrated Environmental Control System |
| SSER | System Safety Engineering Report |
| DSCS III | Defense Satellite Communication System |
| DIST | Distance |