| Acronym | Meaning |
| WI | Workstation Interface |
| EAO | Economy Act Order |
| AA | Activity Area |
| MST | Mesospheric/stratospheric/tropospheric |
| ANS | American National Standard |
| ASR | Airport Surveillance Radar |
| DDS | Doctor Of Dental Science |
| MRI | Mesoscale Research Initiative |
| PHS | Public Health Service |
| MJO | Madden-Julian Oscillation |