DAVIS-MONTHAN AIR FORCE BASE, Ariz. – Mr. Dana Willis was the Central America branch chief for PANAMAX 2012 for Air Forces Southern, Aug. 6-17. PANAMAX is an annual U.S. Southern Command-sponsored exercise series that focuses on ensuring the defense of the Panama Canal - one of the most strategically and economically crucial pieces of infrastructure in the world. Forces from partner nations participated in simulated training scenarios from various U.S. locations. The overall objective of this exercise was to increase interoperability among participating nations, which enables the assembled forces to organize and conduct combined operations in a multinational task force, and test its responsiveness. (USAF by Master Sgt. Kelly Ogden/Released).