Defense Secretary Ash Carter, right, speaks with Marine Corps Gen. Joe Dunford, left, chairman of the Joint Chiefs of Staff, and Army Gen. Curtis M. Scaparrotti, the new commander of U.S. European Command, in Stuttgart, Germany, May 3, 2016. Air Force Gen. Philip M. Breedlove relinquished command to Scaparrotti during a ceremony attended by Carter and Dunford. DoD photo by Navy Petty Officer 1st Class Tim D. Godbee