| Acronym | Meaning |
| WMP | Weather Modification Program |
| AON | Atmospheric Odd Nitrogen Species Project |
| LNA | Low-noise Amplifier |
| DSAA | Defense Security Assistance Agency |
| OSD | Office Of Systems Development |
| RMS | Root-mean-square |
| FODDAS | Four-Dimensional Data Assimilation Study |
| SOI | Solar Oscillations Imager |
| GARP | GEMPAK Analysis And Rendering Program |
| UMP | Upper Mantle Project |