Marine Corps Gen. Joseph F. Dunford Jr., right, chairman of the Joint Chiefs of Staff, shares a light moment with Cpl. Kyle Carpenter at the National Portrait Gallery in Washington, D.C., Nov. 15, 2015. Dunford presented Carpenter, a Medal of Honor recipient, with the Portrait of a Nation Prize in recognition of his bravery and patriotism. DoD photo by D. Myles Cullen