| Acronym | Meaning |
 | ICAMR | Interdepartmental Committee On Applied Meteorological Research |
| GEM | Geospace Environment Modeling Program |
| PEL | Photo-electron Layer |
| ISPRA | N/A |
| TIME-GCM | Thermosphere-Ionosphere-Mesosphere-Electrodynamic General Circulation Model |
| CDIS | Command And Data Interface Simulator Unit |
| PFS | Physical Facilities Service(s) |
| SLAR | Side-looking Airborne Radar |
| CAP | Civil Air Patrol |
| GCIP | GEWEX Continental-Scale International Project |
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