SOUTH AMERICAN DEPARTURE U.S. Defense Secretary Leon E. Panetta boards a C-17 Globemaster on Los Candores Air Base in Iquique, Chile, April 27, 2012. Chile is the final stop on a five-day trip to the region meeting with counterparts and military officials to discuss an expansion of defense and security cooperations. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 057656-B-IBR31-427.jpg Photo Gallery