Spec. Mallory Trower, 18th Field Hospital combat medic specialist, explains the training patient simulator to Lt. Col. Richard Hobart, U.S. Army Training and Doctrine Command, during the U.S. Army Reserve’s 111th birthday celebration at Joint Base Langley-Eustis, Virginia, April 23, 2019. The training patient simulator can move by remote control and even bleed. (U.S. Air Force Photo by Staff Sgt. Chandler Baker)