DEFENSE DEPARTURE U.S. Defense Secretary Leon E. Panetta leaves the Brazilian Ministry of Defense in Brasilia, Brazil, April 24, 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 (0.07 MB) Credit: VIRIN: 948309-N-RPB10-233.jpg Photo Gallery