DOW Support to the Southern Border

Army Spc. Ethan Carrigan assigned to the 549th Military Police Company, 716th Military Police Battalion under Joint Task Force Southern Border, conducts a joint patrol alongside Border Patrol agent Ricardo Booth near Chula Vista, Calif., during a mirrored patrol with Mexican soldiers, May 7, 2025. U.S. service members and Mexican Army and National Guard personnel under the Mexican Secretariat of National Defense are joining forces to carry out mirrored patrol operations, with each military force in its respective territory, which has led to favorable results in reducing the illegal flow of people across the common border and drug trafficking. These coordinated actions demonstrate the strong understanding and collaboration between both armed forces, aimed at ensuring security along the shared border for the benefit of the United States and Mexico.

Navy Lts. Joshua Leonard, seated, and Harry Porter conduct preflight checks on an MH-60R Sea Hawk helicopter aboard the guided-missile destroyer USS Gravely while underway in the North Atlantic Ocean, May 13, 2025. Navy assets are deployed under U.S. Northern Command's maritime homeland defense authorities with a Coast Guard law enforcement detachment embarked to enable maritime interdiction missions to prevent the flow of illegal drugs and other illegal activity.

Navy Seaman Bao Nhan performs routine maintenance on an MH-60R Sea Hawk helicopter in the hangar bay of the guided-missile destroyer USS Gravely in the North Atlantic Ocean, May 13, 2025. Navy assets are deployed under U.S. Northern Command's maritime homeland defense authorities with a Coast Guard law enforcement detachment embarked to enable maritime interdiction missions to prevent the flow of illegal drugs and other illegal activity. Northcom is working with the Department of Homeland Security to provide additional military forces and capabilities at the southern border.

Army Spc. Nicholas Brewer, assigned to the 549th Military Police Company, 716th Military Police Battalion, conducts a joint patrol alongside U.S. Customs and Border Protection agents near Chula Vista, Calif., May 7, 2025.

Navy Petty Officer 3rd Class Jayson Flores, a rescue swimmer assigned to the USS Gravely, recovers a simulated casualty during a man overboard drill in the Gulf of America, May 5, 2025. U.S. Northern Command is working with the Department of Homeland Security to augment U.S. Customs and Border Protection along the southern border and carry out President Donald J. Trump's executive orders on protecting the territorial integrity of the United States.

Sailors assigned to the USS Gravely participate in a man overboard drill to maintain readiness in the Gulf of America, May 5, 2025. U.S. Northern Command is working together with the Department of Homeland Security to provide additional military forces and capabilities at the southern border.

A sailor jumps into the water during a man overboard drill in the Gulf of America, May 5, 2025. U.S. Northern Command is working with the Department of Homeland Security to augment U.S. Customs and Border Protection along the southern border and carry out President Donald J. Trump's executive orders on protecting the territorial integrity of the United States.

Army 2nd Lt. Tyler Seidel dismounts from his vehicle during joint patrols with Border Patrol agents in Yuma, Ariz., May 6, 2025. Under the direction of U.S. Northern Command, the task force aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile and all-domain operations.

Soldiers conduct joint patrols near Yuma, Ariz., May 6, 2025. Under the direction of U.S. Northern Command, the task force aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile and all-domain operations.

Soldiers and U.S. Customs and Border Protection agents conduct joint patrols near Yuma, Ariz., May 6, 2025. Under the direction of U.S. Northern Command, Joint Task Force Southern Border aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile and all-domain operations.

Marines weld engineer stakes along the southern border barrier near Imperial Beach, Calif., May 8, 2025. About 500 Marines assigned to I Marine Expeditionary Force under Task Force Sapper have been tasked with providing logistics and engineering support to U.S. Northern Command.

Army Spcs. Marcelo Reid-Celis and Justin Vela, both assigned to the 549th Military Police Company, 716th Military Police Battalion, under Joint Task Force Southern Border, patrol near Chula Vista, Calif., May 8, 2025. Under the direction of U.S. Northern Command, the task force aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile and all-domain operations.

Army Maj. Gen. Monte Rone, 1st Infantry Division commanding general, visits the 3rd Battalion, 1st Combat Aviation Brigade, and the 19th Public Affairs Detachment at Libby Airfield Fort Huachuca, Ariz., May 6, 2025.

Army Staff Sgt. Hayden John conducts flight simulation training to maintain readiness at Fort Huachuca, Ariz., April 23, 2025. Tactical unmanned aircraft systems are vital to the Army for providing real-time intelligence, detection and monitoring, and reconnaissance capabilities that enhance mission effectiveness and soldier safety.

Army Spc. Antonio Lewis, left, and Staff Sgt. Erik Buentello, both assigned to Joint Task Force Southern Border, assemble a drone using 3D printing equipment at Fort Bliss, Texas, May 7, 2025. The 3D printer manufactures drone components, facilitating the rapid deployment or repair of drones in support of the southern border mission.

Joint Chiefs of Staff Chairman Air Force Gen. Dan Caine visits Joint Task Force Southern Border in Sierra Vista, Ariz., April 19, 2025.

Coast Guardsmen conduct dry-fire drills aboard the USS Gravely to maintain readiness while underway in the Gulf of America, April 29, 2025.

Soldiers conduct screening operations along the border near Yuma, Ariz., April 25, 2025.

Coast Guardsmen conduct a close quarters combat drill aboard the USS Gravely to maintain readiness while underway in the Gulf of America, April 24, 2025.

Army Spcs. Israel Arreguin and So Doe assigned to Joint Task Force Southern Border and U.S. Border Patrol agents conduct detection and monitoring operations from an observation post near Wellton, Ariz., April 23, 2025.