Senior Airman Nicolette Babb-Barber, 374th Medical Group aerospace medical technician, radios for medical transportation during an active shooter scenario during exercise Beverly Morning 19-01, May 13, 2019, at Yokota Air Base, Japan. Yokota Airmen participated in simulated war-time scenarios including active shooter scenario, rapid runway repair and a mass-casualty incident. (U.S. Air Force photo by Senior Airman Juan Torres)