| Acronym | Meaning |
| RPI | Rensselaer Polytechnec Institute |
| TIMS | Thermal Infrared Multispectral Scanner |
| CDR | Circular Depolarization Ratio |
| UHF | Ultra-high Frequency |
| MHR | Mile High Radar |
| PFS | Physical Facilities Service(s) |
| TIME | Thermosphere-ionosphere-mesosphere-electrodynamics |
| NTS | Nevada Test Site |
| LDR | LIDAR |
| CAT | Coordinated Analysis Of The Thermosphere |