Senior Airman Cody Parker, an air evacuation technician with the 349th Aeromedical Evacuation Squadron, provides cardiopulmonary resuscitation to a simulated gunshot victim who went into cardiac arrest during Exercise Patriot Wyvern, July 23,2016. The 349th Aeromedical Staging Squadron, 349th Medical Squadron and the 349th Aeromedical Evacuation Squadron practiced in-flight emergency and evacuation processes during the training event at Travis Air Force base, Calif. Patriot Wyvern is a hands-on, bi-annual event conducted by the 349th AMW, and designed to hone combat skills and improve organizational interoperability. (U.S. Air Force photo by Senior Airman Sajjan Singh)