| Acronym | Meaning |
 | EPI | Environmental Policy Institute |
| ASL | Above Sea Level |
| FDDI | Fiber-distributed Data Interface |
| EBB | Equivalent Blockbody |
| APEX | Acid Precipitation Experiment |
| POES | Polar Operational Environmental Satellite |
| AWDAAS | Automatic Weather Data Acquisition And Archiving System |
| EIC | Earth Information System |
| AWACS | Airborne Warning And Control System |
| NORPAX | North Pacific Experiment |
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