U.S. Marine Corps Sgt. John Williamson, a loadmaster, with Marine Aerial Refueler Squadron 234 (VMGR-234), 4th Marine Aircraft Wing, ground guide a High Mobility Artillery Rocket System (HIMARS) during ARCTIC EDGE 2025 (AE25) at Joint Base Fort Greenly, Alaska, Aug. 22, 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.)