Staff Sgt. Johanna Esquivel, 2nd Operational Medical Readiness Squadron medical technician, and Staff Sgt. Jelisa Adams, 2nd Healthcare Operations Squadron medical technician, provide tactical field care to a training dummy during a Tactical Combat Casualty Care (TCCC) class at Barksdale Air Force Base, La., Dec. 9, 2020. Barksdale medics must take a three day course to be trained on the new TCCC guidelines. (U.S. Air Force photo by Airman 1st Class Jacob B. Wrightsman)