| Acronym | Meaning |
| GARDIAN | GBL Point Defense System |
| ACH | Air Changes Per Hour |
| ARG | Appointments Review Group |
| PMR | Pressure Modulator Radiometer |
| ONERA | Office National D'Etudes Et De Recherches Aerospatiales |
| LNA | Low-noise Amplifier |
| AWPG | Aviation Weather Products Generator |
| STOL | Short Takeoff And Landing |
| SR | Scanning Radiometer |
| AAG | Association Of American Geographers |