| Acronym | Meaning |
| FS | Flight System |
| GIM | Generalized Information Management |
| O/D | Outside Diameter |
| FET | Flight Elapsed Time |
| SCCB | Site Configuration Control Board |
| FCA | Frequency Control Analysis |
| TTCA | Thrust Translation Controller Assembly |
| CI | Crew Interface |
| FT&C | Formal Training And Certification |
| PR | ProblemReport |