| Acronym | Meaning |
 | ADEPT | Alexandria Digital Earth Prototype |
| ARGUS | ARGonne Unified Safeguards |
| AVN | Aviation Model At NCEP |
| AMP | Asynchronous Multiprocessing |
| NASDA | National Space Development Agency |
| ACRIM II | Active Cavity Radiometer Irradiance Monitor |
| USPHS | United States Public Health Service |
| AFS | Auxiliary Feedwater System |
| BDN | Bacteria-derived Nuclei |
| TROPAL | Tropical Alert Group |
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