| Acronym | Meaning |
| SCM | Subsystem Configuration Management |
| PC | Printed Circuit (Card) |
| DDTS | Dynamic Docking Test System |
| MO | Manual Orientation |
| MSG | Mechanical Subsystem Group |
| MCLT | Maximum Cruise Level Thrust |
| FU | Flight Unit |
| R/O | Rollout |
| AMF | Astronaut Memorial Foundation |
| MEP | Management Engineering Program |