Staff Sgt. Clayton Luker, 28th Medical Operations Squadron medical technician, and Airman 1st Class Robert Martin, 28th Civil Engineer Squadron firefighter, strap Staff Sgt. Jason Prescott, 28th Medical Support Squadron NCO in charge of medical logistics warehouse, onto a wheeled stretcher during a major accident response exercise at Ellsworth Air Force Base, S.D., April 22, 2015. The exercise scenario included a two vehicles collision due to severe weather conditions, testing base personnel’s emergency response actions. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)