| Acronym | Meaning |
 | LGSOWG | Landsat Ground Station Operators Working Group |
| RUC | Rapid Update Cycle |
| AAH | Advanced Attack Helicopter |
| NSF | National Science Foundation |
| CAT | Clear Air Turbulence |
| PM2.5 | Particulate Matter With Mass Median Aerodynamic Diameter Less Than 2.5 Micrometers |
| RSF | Remote Sensing Facility |
| ASLB | Atomic Safety Licensing Board |
| R | Roentger |
| OUASS | Omega Upper Atmospheric Sounding Systems |
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