| Acronym | Meaning |
| UCAR | Unmanned Combat Armed Rotorcraft |
| BDN | Bacteria-derived Nuclei |
| MIRA | Management Information Research Associates |
| AMTS | Arctic Mesopause Temperture Study |
| ADM | Action Description Memorandum |
| ESMF | Earth System Model Framework |
| ADI | Acceptable Daily Intake |
| ASP | Astronomical Society Of The Pacific |
| EROC | Ecological Rates Of Change |
| BSDI | Berkeley Software Design |