Video by Cpl. Alan Gomez 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/1003980'></iframe> Download Embed Share JTF-SB Marines improve mobility along southern border Operation Ardent Vanguard April 17, 2026 | 1:16 U.S. Marines with 8th Combat Engineer Battalion, 2nd Marine Logistics Group, assigned to Joint Task Force-Southern Border, grade the ground operating a 120M motor grader to improve mobility and maximize usable space in Douglas, Ariz., April 17, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection within narrowly defined authorities to provide unique military capabilities to protect the territorial integrity of the U.S. southern border. (Dept. of War video by U.S. Marine Corps Cpl. Alan Gomez)