Security Barrier Marines assigned to Joint Task Force Southern Guard form a security barrier during an exercise at Naval Station Guantanamo Bay, Cuba, May 20, 2025. The training, led by soldiers assigned to Joint Task Force Bravo, improved coordination and reinforced standard operating procedures for rapid troop movements. SHARE: Download: Full Size (1.61 MB) Tags: Army, training, Marine Corps, Border Support Credit: Air Force Staff Sgt. Natalie Rubenak VIRIN: 250520-F-VM792-1215.JPG Photo Gallery