Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, meets with members of the 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 TAAC-Air as part of his overall assessment of the Resolute Support mission. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro