U.S. Air Force Senior Airman Jennifer Heller, an aerospace medical technician with the New Jersey Air National Guard's 177th Medical Group, conducts ambulance service training on Spangdahlem Air Base, Germany, Aug. 4. Airmen practiced on a dummy to be prepared in a real-life event when someone is unconscious, unresponsive and their breathing is compromised. (U.S. Air National Guard photo by Senior Airman Shane S. Karp/Released)