U.S. Marine Corps Cpl. Elliott Russell, a machine gunner, with 3rd Battalion, 4th Marine Regiment, 1st Marine Division, goes over proper firing procedures of a .50 caliber machine gun during a range familiarization training as part of ARCTIC EDGE 2025 (AE25), at Joint Base Elmendorf-Richardson, Alaska, Aug. 16th, 2025. Specialized Arctic training generates valuable lessons learned for warfighters and enablers ensuring they can execute their assigned missions in any environment. AE25 is a NORAD and U.S. Northern Command-led homeland defense exercise designed to improve readiness, demonstrate capabilities and enhance Joint and Allied Force interoperability in the Arctic. (U.S. Marine Corps Photo by Lance Cpl. Edward Spears)