| Acronym | Meaning |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |
| ACARS | ARINC Communication |
| AISEC | Army Information Engineering Command |
| ISLSCP | International Satellite Land-Surface Climatology Project |
| MTBF | Mean Time Between Failure |
| PFA | Prime Factor Algorithm |
| ASOS | Automated Surface Observing System |
| SST | Sea Surface Temperature |
| GOMOT | Global Observations |
| NAO | North American Oscillation |