U.S. Defense Secretary Leon E. Panetta, right, arrives with U.S. Ambassador to NATO Ivo Daalder at NATO headquarters in Brussels, Feb. 21, 2013, to attend meetings with other NATO-member defense counterparts. U.S. Defense Secretary Leon E. Panetta, right, arrives with U.S. Ambassador to NATO Ivo Daalder at NATO headquarters in Brussels, Feb. 21, 2013, to attend meetings with other NATO-member defense counterparts. SHARE: Download: Full Size (1.13 MB) Tags: Photo Essays Credit: VIRIN: 075811-V-GLC99-157.jpg Photo Gallery