Video by Cpl. Alan Gomez

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JTF-SB Marines reinforce floodgate locks

• Operation Ardent Vanguard
• July 3, 2026 | 1:54

U.S. Marines with Combat Logistics Battalion 7, 1st Marine Logistics Group, assigned to Joint Task Force-Southern Border in support of Operation Ardent Vanguard, reinforce floodgate locks during reinforcement operations in Naco, Ariz., July 3, 2026. Reinforcement hardens the locks against cutting and tampering, securing vital access points and deterring illegal crossings. 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)