Campbell: U.S. leaders heeded advice on Afghanistan
Army Gen. John F. Campbell, center left, then-commander of NATO’s Resolute Support mission and U.S. forces in Afghanistan, welcomes Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, to Bagram Airfield, Afghanistan, Dec. 8, 2015. (DoD photo by Air Force Staff Sgt. Tony Coronado)