MCCHORD FIELD, Wash.- U.S. Air Force Lt. Col. Kenneth Winslow, (center with sunglasses) a flight nurse with the 446th Aeromedical Evacuation Squadron out of McChord Field, Wash., briefs Reservists from 446th AES and the 446th Aerospace Medicine Squadron while awaiting for an Army CH-47 Chinook helicopter, from Joint Base Lewis-McChord- Main, as part of a medical training exercise, Oct. 4, 2011. Some of the training covered was advanced cardiac life support training, which is a requirement of all AE members. (U.S. Air Force photo by Jake Chappelle)