U.S. Marine Corps Gen. Joseph F. Dunford Jr., left, chairman of the Joint Chiefs of Staff, speaks with U.S. Air Force Gen. Philip M. Breedlove, commander, U.S. European Command, and Supreme Allied Commander Europe, at the Eucom headquarters in Stuttgart, Germany, Jan. 4, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro