Air Force Master Sgt. Jennifer White, 380th Expeditionary Medical Group public health technician, inspects lab samples from around the base with a microscope at Al Dhafra Air Base, United Arab Emirates, August 9, 2021. Public Health applies preventive health expertise to reduce communicable disease, occupational illness and injury for members across ADAB.

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Photo credit: © Operation 2021 / Alamy / Afripics
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