Secretary of State for Defense Michael Fallon (left), Secretary of Defense Ash Carter, German Minister of Defense Ursula von der Leyen and NATO Secretary General Jens Stoltenberg, chat before the start of the meeting of the North Atlantic Council at visits NATO Headquarters Brussels, Belgium on Oct. 8, 2015. Carter is on a five-day trip to Europe to attend the NATO Defense Ministerial Conference in Brussels and to meet with counterparts in Spain, Italy, and the United Kingdom. (DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen) (Released)