U.S. Air Force firefighters disembark a KC-135R Stratotanker from Grissom AFB, Ind., at Reno International Airport en route to take part in training exercises, June 15, 2012, during Exercise Global Medic 2012. Exercise Global Medic is a yearly joint field training exercise for theater aeromedical evacuation systems and ground medical components designed to replicate all aspects of combat medical service support.