Airmen from the 14th Medical Group train with a medical training mannequin during the Tactical Combat Casualty Care Course in the Walker Center Feb. 23, 2020, on Columbus Air Force Base, Miss. TCCC has become the standard of medical training proficiency for military personnel to prepare them for potential combat situations in an ongoing effort to heighten medical readiness. (U.S. Air Force photo by Airman 1st Class Jake Jacobsen)