PALACE DEPARTURE U.S. Defense Secretary Leon E. Panetta, right, and Chilean Defense Minister Andrés Allamand leave the Chilean Presidential Palace after meeting with Chilean President Sebastián Piñera in Santiago, Chile, April 26, 2012. Panetta is on a five-day trip to the region to meet with counterparts and military officials in Colombia, Brazil and Chile to discuss an expansion of defense and security cooperations. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 470727-M-THN44-963.jpg Photo Gallery