BRUSSELS MEETING U.S. Defense Secretary Chuck Hagel, left, walks with U.S. Marine Corps Gen. Joseph F. Dunford Jr., commander of the International Security Assistance Force in Afghanistan, while attending a NATO defense ministerial meeting in Brussels, Feb. 26, 2014. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 660214-E-DEX40-114.jpg Photo Gallery