CAMP COURTNEY, Okinawa (Nov. 20, 2020) Hospital Corpsman 3rd Class Kader Paz, a corpsman with Headquarters Battalion, 3d Marine Division, applies a tourniquet to a simulated casualty during a Tactical Combat Casualty Care (TCCC) evaluation at Camp Courtney, Okinawa, Japan, Nov. 20, 2020. TCCC introduces life-saving techniques and strategies for providing the best trauma care in a combat environment while allowing a unit to complete its mission. (U.S. Marine Corps photo by Lance Cpl. Alexis Moradian)