Senior Airman Darrius Doughty, 379th Expeditionary Communication Squadron systems administrator, applies a tourniquet to a simulated patient’s leg during the Tactical Combat Casualty Care introduction course at Al Udeid Air Base, Qatar on Oct. 16, 2019. The course covered the basic skills of the TCCC program, an introduction to TCCC supplies, and a short briefing on the locations and capabilities available at the installation casualty collection points. (U.S. Air Force photo by Staff Sergeant Ashley L. Gardner)