| Acronym | Meaning |
| BCFS | Backup Flight Control System |
| MIB | Master Interconnect Board |
| VIB | Vertical Integration Building |
| TPAD | Trunnion Pin Attachment Device |
| SCU | Signal Conditioner Unit |
| NMR | Nuclear Magnetic Resonance |
| DI | Development Integration |
| PAP | Product Assurance Plan |
| SID | System Interface Document |
| TNL | Tunnel |