U.S. Air Force Staff Sgt. David Astleford, a 509th Maintenance Group research and engineering computer-aided drafting manager, showcases a 3D blueprint for a medical face shield prototype, at Whiteman Air Force Base, Missouri, April 13, 2020. The RE shop utilized the National Institute of Health’s approved face mask as a model to create their own version of a face shield, featuring an added foam piece on the forehead to provide more comfort and using an adjustable band verses an elastic rubber one. The RE shop works 24-hour operations in order to maintain the various requests supporting other base functions. (U.S. Air Force photo by Staff Sgt. Sadie Colbert)
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