| Acronym | Meaning |
| RMC | Regional Meteorological Center |
| TA | Technology Applications |
| ERG | External Review Group |
| SSB | Single Sideband |
| AAM | Air-to-air Missile |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| ALEXIS | Array Of Low-energy X-ray Imaging Sensors |
| PILPS | Program For Intercomparison Of Land Surface Parameterization Schemes |
| AMSG | Appropriate Military Systems Guide |
| UNAVCO | University NAVSTAR [not An Acronym] Consortium |