U.S. Air Force Master Sgt. Dennis Varnado, a flight chief assigned to the 307th Aircraft Maintenance Squadron, checks the tail section of a B-52 Stratofortress as Master Sgt. Brandon Smith, a flight chief assigned to the 307th AMXS, makes a call on his radio at Barksdale Air Force Base, Louisiana, August 2, 2018. Varnado and Smith were instrumental in resuscitating an Airman who lost consciousness on the Barksdale flight line in August 2017. (U.S. Air Force photo by Airman 1st Class Maxwell Daigle/Released)