A C-130J Hercules loadmaster stands on an aircraft ramp while wearing an oxygen mask because of the high altitude and unpressurized aircraft cabin, Nov. 17, 2016. Monitoring the crewmembers are High Altitude Airdrop Mission physiology technicians stationed at Little Rock Air Force Base, Ark. (U.S. Air Force photo/Tech Sgt. Brandon Shapiro) 161117-F-JP000-002 by AirmanMagazine

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A C-130J Hercules loadmaster stands on an aircraft ramp while wearing an oxygen mask because of the high altitude Stock Photo
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A C-130J Hercules loadmaster stands on an aircraft ramp while wearing an oxygen mask because of the high altitude and unpressurized aircraft cabin, Nov. 17, 2016. Monitoring the crewmembers are High Altitude Airdrop Mission physiology technicians stationed at Little Rock Air Force Base, Ark. (U.S. Air Force photo/Tech Sgt. Brandon Shapiro) 161117-F-JP000-002 by AirmanMagazine
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Image ID: M3TTFR