Brig. Gen. Roger Turner, left, the commanding general of Task Force Southwest, greets Gen. Joseph F. Dunford Jr., the chairman of the Joint Chiefs of Staff, at Bastion Airfield, Afghanistan, June 28, 2017. Dunford met with the Task Force’s leadership to reaffirm the Department of Defense’s commitment to the Task Force’s train, advise and assist mission in Helmand Province. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)