A U.S. Air Force Service member administers chest compressions during a lifesaver training at Langley Air Force Base, Va., Nov. 19, 2014. The 633rd Medical Group education and training section holds monthly Advanced Cardiac Life Support, Basic Life Support and Pediatric Advanced Life Support courses in order to provide medical professionals the most up-to-date lifesaving skills. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)