Video by Cpl. Grant Schirmer Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/975318'></iframe> Download Embed Share B-Roll: U.S. Marines with 3rd Bn., 4th Marines, conduct patrol base operations training during Arctic Edge 25 Arctic Edge Aug. 16, 2025 | 4:08 U.S. Marines with Kilo Company, 3rd Battalion, 4th Marine Regiment, 1st Marine Division, conduct patrol base operations during ARCTIC EDGE 2025 (AE25) at Joint Base Elmendorf-Richardson, Alaska, Aug. 16-18, 2025. Patrol base operations involve obtaining information about a specific area to understand the terrain and enemy activity in the area. 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 video by Cpl. Grant Schirmer)