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Senior Airman Vincent Eubanks, 51st Operations Support Squadron aircrew flight equipment journeyman, demonstrates an oxygen mask fitting on Staff Sgt. Mathew Wilson, 51st OSS AFE shift lead, at Osan Air Base, South Korea, Dec. 7, 2022. The pilot’s mask supplies oxygen and contains a microphone to communicate with their ground crew, other pilots and air traffic control. (U.S. Air Force photo by Staff Sgt. Dwane R. Young)

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Photo by: Staff Sgt. Dwane R. Young |  VIRIN: 221207-F-NX702-1001.JPG