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A medic from the 14th Medical Group at Columbus Air Force Base, Miss., tightens a tourniquet on a volunteer at an exercise on March 11, 2022. A tourniquet is a constricting or compressing device used to control venous and arterial circulation to an extremity for a period of time. (U.S. Air Force photo by Senior Airman Davis Donaldson)
NIKON Z 7
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