U.S. Air Force Airman 1st Class Kristin Lyons, 391st Fighter Squadron crew chief, wears a cloth mask while working during the COVID-19 pandemic, April 14, 2020, at Mountain Home Air Force Base, Idaho. 391st FS Airmen are working in two teams with a week-on and week-off schedule to avoid the potential spread of COVID-19. (U.S. Air Force photo by Airman 1st Class Andrew Kobialka)
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