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A coalition member from the Train, Advise, Assist Command - Air, guides an Afghan Air Force Mi-17 onto the landing zone, while US Army Soldiers provide security, April 9, 2015, at a training range outside of Kabul, Afghanistan. The AAF demonstrated the capabilities of the MD-530F's two FN M3P .50 Cal machine guns to local media and Afghan military leaders. (U.S. Air Force Photo by Staff Sgt. Perry Aston/Released)