U.S. Army 1st Lt. Sydney Feltenstein, a combat medic with 3rd Battalion, 509th Infantry Airborne, explains the operations within a medical tent to a joint-service delegation during Distinguished Visitor’s (DV) Day as part of exercise Arctic Edge 2024 (AE24) at Joint Base Elmendorf-Richardson, Alaska, March 4, 2024. The delegation visited and toured Camp Mad Bull, a site conducting several medical experiments in an arctic environment utilizing freeze dried plasma, portable oxygen generators, hypothermia prevention devices, core temperature monitors and more. AE24 DV Day fostered dynamic discussions among military, government, and academic leaders on arctic homeland defense, later featuring site visits, demonstrations, and presentations. Arctic Edge 2024 is a U.S. Northern Command-led homeland defense exercise demonstrating the U.S. military’s capabilities in extreme cold weather, joint force readiness, and U.S. military commitment to mutual strategic security interests in the arctic region. (U.S. Marine Corps photo by Lance Cpl. Madisyn Paschal)