| Acronym | Meaning |
| IRJE | Internet Remote Job Entry |
| IDL | Interface Definition Language |
| GEM | Geospace Environment Modeling Program |
| AC | Area Coordinator |
| ICAO | International Civil Aviation Organization |
| FATS | Firearms Training Simulator |
| ATLID | Atmospheric LIDAR |
| OLR | Outgoing Longwave Radiation |
| BIT | Binary Digit (either 0 Or 1) |
| GLIS | Global Land Information System |