Staff Sgt. Jimmy Sayarath, 9th Physiological Support Squadron launch and recovery technician, Beale Air Force Base, Calif., explains how the seal on a U-2 Dragon Lady pilot’s helmet works during an immersion tour with Republic of Korea air force Lt. Gen. Jae-Bock Park, ROK Air Force Operations Command commander, at Osan Air Base, ROK, June 11, 2014. Pilots have the ability to adjust the pressure of their suits to relieve any symptoms of decompression sickness during flight. (U.S. Air Force photo/Airman 1st Class Ashley J. Thum)
Airman 1st Class Ashley Thum
Taken on 11 June 2014
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