| Acronym | Meaning |
 | TIGCM | Thermosphere-ionosphere General Circulation Model |
| ATRAP | Alliance For Transportation Research |
| CCARS | Computer Controlled Automatic Rain Sampler |
| ACH | Air Changes Per Hour |
| IFEOS | International Forum On Earth Observations Using Space Station Elements |
| PMA | Platform Management Application |
| SDSC | San Diego Supercomputing Center |
| MODAC | Meteorological Observation And Data Assimilation Center |
| AFIS | Automated Fingerprint Identification System |
| GDS | Global Dynamics Section |
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