| Acronym | Meaning |
| FIAR | Failure Investigation Action Report |
| GNP | GrGNPGross National Product |
| VEFCO | Vertical Functional Checkout |
| FEID | Functional Engineering Interface Device |
| IEP | Instantaneous Effective Photo Cathodes |
| DDPF | Dedicated Display Processing Function |
| SPC | Stored Program Command |
| FCE | Flight Control Equipment |
| CWE | Caution And Warning Electronics |
| MDS | Management Data System |