Alaska Army National Guard Sgt. Bradley McKenzie, a UH-60 Black Hawk helicopter crew chief assigned to 1st Battalion, 207th Aviation Regiment, conducts flight operations on Joint Base Elmendorf-Richardson, Alaska, Oct. 21, 2015. The flight operations included rescue hoist training and a casualty evacuation exercise with Soldiers assigned to 1st Battalion (Airborne), 501st Infantry Regiment. (U.S. Air Force photo/Alejandro Pena)
Alejandro Pena
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