| Acronym | Meaning |
| FWQC | Federal Water Quality Criteria |
| SAV | State-of-the-atmosphere Variable |
| ERDC | Exploratory Research And Development Center |
| MRF | Meteorological Rocket Facility |
| VHF | Very High Frequency |
| MTI | Moving Target Indicator |
| MASI | Middle Atmosphere Science Initiative |
| DWB | Library |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| NPC | National Processing Centers |