| Acronym | Meaning |
| SL | Seal |
| PIC | Payload Integration Center |
| R | ETSReconfiguration Electrical Test Stand |
| OS | Orbiter CEI Specification |
| FCT | Fuel Cell Test |
| DIDS | Defense Integrated Data System |
| STIRD | SAIL Test Implementation Requirements Document |
| CMP | Configuration Management Plan |
| CAL | Cornell Aeronautical Laboratory |
| R/D | Rate Of Descent |