| Acronym | Meaning |
| CPCI | Computer Program Configuration Item |
| OCP | Operational Computer Program |
| PCTE | Portable Common Tools Environment |
| TWT | Traveling Wave Tube |
| IAS | Indicated Airspeed |
| CADCAM | Computer Automated Design Computer Aided Manufacturing |
| SSER | System Safety Engineering Report |
| WPC | Work Package Concept |
| I/O | Inboard/outboard |
| MMM | Maintenance And Material Management (3m) |