U.S. Air Force Staff Sgt. Tanner Merchen, 633d Medical Support Squadron laboratory technician, ties a tourniquet around the leg of Staff Sgt. Miguel Guajardo, 633d Dental Squadron dental assistant, during Tactical Combat Casualty Care Tier Two Training at Joint Base Langley-Eustis, Virginia, April 28, 2025. During the “Care Under Fire” phase of the training, Airmen were tasked with carrying a wounded member to safety while under enemy fire and in immediate danger. (U.S. Air Force photo by Airman 1st Class Donnell Ramsey)