| Acronym | Meaning |
| NDT | Non-destructive Testing |
| WRL | Willow Run Laboratories |
| DISN | Defense Information Systems Network |
| KAEH | King Air Equivalent Hours |
| ADS | Ancillary Data Service |
| SAM | Subsynoptic Advection Model |
| PDM | Pulse Duration Modulation |
| ACE | Alliance For Clean Energy |
| HF | High Frequency |
| AEN | Administrative Exception Note |