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/986341'></iframe> Download Embed Share Marines attend ISV Operator Course for use on southern border Department of War Southern Border Oct. 29, 2025 | 0:53 U.S. Marines assigned to Joint Task Force-Southern Border (JTF-SB) attend an Infantry Squad Vehicle (ISV) Operator Training Course at Fort Bliss, Texas, Oct. 29, 2025. This certification allows Marines to operate the Army ISV during patrols along the southern border. JTF-SB executes full-scale, agile, and all-domain operations in support of U.S. Customs and Border Protection to protect the territorial integrity of the United States and achieve 100% operational control of the southern border. (U.S. Army video by Sgt. Darius Wilson)