Tech. Sgt. Michael Tomaszewski, Operational Medical Readiness Squadron medical technician, positions himself behind a tree during a Tactical Combat Casualty Care field training exercise at Barksdale Air Force Base, La., Dec. 9, 2020. Barksdale's medics took a three day course on TCCC that included classroom learning as well as a field training exercise. (U.S. Air Force photo by Airman 1st Class Jacob B. Wrightsman)