| Acronym | Meaning |
| ARTS | Automated Resource Tracking System - ARTEMIS |
| SPF | Single Point Failure |
| DRIRU | Dry Rotor Inertial Reference Unit |
| UST | United States Testing (Company) |
| FV | FlighL Version |
| RCSC | Reaction Control Subsystem Controller |
| EOC | Engine-out Capability |
| VAB | Vehicle Assembly Building |
| OG | Zero Gravity |
| FA/COSI | Final Assembly And Closeout System Installation |