U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, shakes hands with a U.S. soldier at the Estonian 1st Brigade Headquarters in Tapa, Estonia, Sept. 15, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, takes a question from a U.S. soldier at the Estonian 1st Brigade Headquarters in Tapa, Estonia, Sept. 15, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, walks with Estonian President Toomas Hendrik Ilves in Kadriorg, Estonia, Sep. 15, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, talks with Estonian President Toomas Hendrik Ilves at the Estonian presidential palace in Tallinn, Estonia, Sept. 15, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, and German Army Gen. Volker Wieker, chief of defense, salute during a pass-and-review ceremony at the Defense Ministry in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, prepares to present a wreath at the German memorial for their fallen service members at the Defense Ministry in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
German Army Gen. Volker Wieker, chief of defense, places the medal for the Knights Commander’s Cross of the Order of Merit of the Federal Republic of Germany on U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, during a ceremony at the Defense Ministry in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, talks with the chief of staff of the German armed forces, Gen. Volker Wieker, at the German Ministry of Defense in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and German Army Gen. Volker Wieker, Germany's chief of defense, salute during a pass-and-review ceremony of the German honor guard at the Ministry of Defense in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, second from left, chairman of the Joint Chiefs of Staff, talks with U.S. State Department and military personnel while visiting the U.S. Embassy in Berlin, Sept. 9, 2015. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, returns a salute to a U.S. Marine Corps security guard at the U.S. Embassy in Berlin, Sept. 9, 2015. Dempsey is in Germany to meet with military leaders and discuss military-to-military relationships. DoD photo by D. Myles Cullen
U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, meets with U.S. Ambassador to Germany John Emerson at the U.S. Embassy in Berlin, Sept. 9, 2015. DoD photo by D. Myles Cullen