| Acronym | Meaning |
| ADP | Administrative Data Processing |
| ADC | Authorized Derivative Classifier |
| GPS CORS | Global Positioning System Continuously Operating Reference Stations |
| NWRC | National Weather Records Center |
| NASN | National Air Surveillance Network |
| DTC | Office Of Defense Trade Controls |
| DG | Diesel Generator |
| DOJ | Department Of Justice |
| TRACE | Trace Remote Atmospheric Chemical Evaluation |
| MHZ | Megahertz |