U.S. Marines with Headquarters Company, Chemical Biological Incident Response Force, participate in exercise Arctic Edge 2023, Port MacKenzie, Alaska, May 15, 2023. Arctic Edge 2023 is a U.S. Northern Command-led exercise demonstrating the U.S. military's capabilities in extreme cold weather, joint force readiness and U.S. military and local homeland defense commitment to mutual strategic security interests in the Arctic region. (U.S. Marine Corps photo by Sgt. Kealii De Los Santos)
