U.S. Marines Sgt. Julio Torres, left, High Mobility Artillery Rocket System (HIMARS) launcher chief, with 2nd Battalion, 14th Marine regiment, 4th Marine Division, and Staff Sgt. Tristan Riggs, flight engineer, with Marine Aerial Refueler Squadron 234 (VMGR-234), 4th Marine Aircraft Wing, load new rocket casing during ARCTIC EDGE 2025 (AE25) at 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. 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.)