Weld Work Marine Corps 2nd Lt. Kendall Payne welds a gate on a culvert near Otay Mesa, Calif., June 23, 2025. Marines and sailors assigned to I Marine Expeditionary Force are providing engineering support to Joint Task Force Southern Border by placing obstacles and additional security barriers to prevent illegal crossings. SHARE: Download: Full Size (6.21 MB) Tags: Marine Corps, Border Support Credit: Marine Corps Cpl. Randall De Gracia Elizondro VIRIN: 250623-M-YT055-1106.JPG Photo Gallery