Aeromedical evacuation Airmen perform simulated CPR on a patient during an in-air medical emergency exercise aboard a new KC-46A Pegasus, April 23, 2021. The tanker, from the 916th Air Refueling Wing, was flown by the 77th Air Refueling Squadron, and was used by the aeromedical Airmen to become more familiar with the aircraft and its aeromedical evacuation capabilities. (U.S. Air Force photo by Tech. Sgt. Miles Wilson)