Marine Corps Gen. Joe Dunford, left, chairman of the Joint Chiefs of Staff, meets with members of Train, Advise, Assist Command – Air in Kabul, Afghanistan, July 16, 2016. Dunford met with key leaders and received briefings about the progress of the Afghan air force and its partnership with the command while assessing the Resolute Support mission in Afghanistan. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro