| Acronym | Meaning |
| RBMT | Retrospective BibliographieS On Magnetic Tape |
| SKD | Singer |
| MTTE | Mean Time To Exchange |
| COSATI | Committee On Scientific And Technical Information |
| RHCM | Relative Humidity Control/Monitor |
| CP | Cargo Projects Office (KSC) |
| MMU | Mass Memory Unit |
| FCP | Flight Correction Proposal |
| VF | Video Frequency |
| CI | Course (deviation Display) Invalid |