U.S. Air Force Senior Airman Amanda Pena, an aeromedical evacuation technician, assigned to the 433rd Aeromedical Evacuation Squadron, Lackland AFB, Texas, practices medical suturing procedures on pigs feet during Exercise Global Medic 2012, Fort Hunter Liggitt, Calif., June 18, 2012. Exercise Global Medic is an annual joint field training exercise for theater aeromedical evacuation systems and ground medical components designed to replicate all aspects of combat medical service support.