U.S. Air Force Master Sgt. Juan Valdes, a videographer with the 4th Combat Camera Squadron, documents the landing of a C-130 Hercules at Fort Hunter Liggett, Calif., June 13, 2012. Exercise Global Medic 2012 is a joint field training exercise for theater aeromedical evacuation systems and ground medical components designed to replicate all aspects of combat medical service support.