NATO SESSION U.S. Defense Secretary Leon E. Panetta talks with staff members in a closed-door session after meeting with NATO defense ministers and representatives from non-NATO nations that contribute to the International Security Assistance Force to discuss Afghanistan operations during a summit at NATO headquarters in Brussels, Oct. 6, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 410124-I-EBE00-869.jpg Photo Gallery