STAFF APPRECIATION U.S. Defense Secretary Leon E. Panetta thanks permanent NATO staff members who coordinated the "jumbo" ministerial at NATO headquarters in Brussels, April 18, 2012. Panetta was in Brussels to meet with various NATO members and NATO defense and foreign affairs ministers. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 682473-S-OLC84-547.jpg Photo Gallery