Members from the 433rd Aeromedical Evacuation Squadron perform simulated life saving techniques to a patient in cardiac arrest Oct. 7, 2015 at Joint Base San Antonio-Lackland, Texas. The 433rd AES training mission was the third training flight in a series of five training evolutions. The primary objective of the flights is to establish aeromedical readiness for the C-5 and identify aeromedical evacuation crew member requirements. (U.S. Air Force photo by Benjamin Faske) (released)