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A protective oxygen mask lays on the ground during an extraction exercise at Misawa Air Base, Japan, July 15, 2022. The breathing apparatus provides Airmen with oxygen and respiratory protection in hazardous environments, ensuring the health and well-being of themselves and fellow Airmen. (U.S. Air Force photo by Senior Airman Brieana E. Bolfing)
70.0-200.0 mm f/2.8
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