| Acronym | Meaning |
| MAPS | Multiple Aircraft Positioning System |
| GOS | Global Observing System |
| FD | Facility Division |
| APEX | APLE Prototype Experiment |
| TCP | Technology Commercialization Program |
| MODD | Meteorological And Omega Data Digitizer |
| NEM | NWP Explicit Microphysics |
| M | Mach |
| RI | Research Institute |
| UCAR | Unmanned Combat Armed Rotorcraft |