| Acronym | Meaning |
 | FAC | Friday Afternoon Club |
| CAI | Computer-aided Instruction |
| CAC | Climate Analysis Center |
| ARL | Army Research Laboratory |
| THORPEX | The Observing System Research And Predictability Experiment |
| MST | Mesospheric/stratospheric/tropospheric |
| BBC | British Broadcasting Corporation |
| MCCS | Mesoscale Convective Complexes |
| LOTUS | Lower Thermosphere And Upper Stratosphere |
| PCMS | Process And Change Management System |
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