| Acronym | Meaning |
| FID | Fault Isolation Detection |
| IFM | Improved Fm |
| APN3 | Apn Funds Budget Area Three, Non-weapon System Procurement |
| CAIS-A | Common Apse Interface Set - Revision A |
| VID | Video |
| MTBERA | Mean Time Between Essential Replacement Action |
| ATT | Attitude |
| TMCR | Technical Manual Contract Requirement |
| GS | Ground Speed |
| FSC | Flight System Control |