| Acronym | Meaning |
| AOO | Anticipated Operational Occurrence |
| SCM | Small Core Memory |
| WEFAX | Weather Facsimile |
| ESS | Engineering Equipment Surveillance System |
| AID | Air Inlet Damper |
| IRJE | Internet Remote Job Entry |
| GPCP | Global Precipitation Chemistry Project |
| ERG | External Review Group |
| CCR | Configuration Change Request |
| DCA | Washington National Airport |