| Acronym | Meaning |
| PETA | People For The Ethical Treatment Of Animals |
| NDTE | North Dakota Tracer Experiment |
| WBRT | Weather Bureau Radio Thoedolite |
| ORD | Office Of Research And Development |
| AFWL | Air Force Weapons Laboratory |
| FX-ALPHA | FSL X-window AWIPS-Like Prototype For Hydrometeorological Applications |
| FSDR | Final System Design Review |
| FODDAS | Four-Dimensional Data Assimilation Study |
| ERA | Engineering Research Associates |
| GEM | Geospace Environment Modeling Program |