U.S. Air Force Staff Sgt. CaTeah Bryant, an aerospace medical services Airman assigned to the 673d Inpatient Operations Squadron, prepares a trenexamic acid dose during the practical application of the Tactical Combat Casualty Care course at Warrior Extreme Paintball course at Joint Base Elmendorf-Richardson, Alaska, July 13, 2018. Trenexamic acid is a medication used to treat or prevent major blood loss from trauma. (U.S. Air Force photo by Airman 1st Class Jonathan Valdes Montijo)