DOW Support to the Southern Border

Marine Corps Lance Cpls. Samuel Sosa, left, and Sebastian Robles, assigned to Joint Task Force Southern Border, operate a boom lift to replace concertina wire during barrier reinforcement operations in Nogales, Ariz., May 15, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Marine Corps Lance Cpls. Allen Tomb, left, and Dylan Lindsey, assigned to Joint Task Force Southern Border, weld prefabricated brackets onto the southern barrier during reinforcement operations in Naco, Ariz., May 20, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Marines assigned to Joint Task Force Southern Border extend concertina wire for barrier reinforcement operations in Naco, Ariz., May 20, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Marine Corps Lance Cpl. Luke Smith, assigned to Joint Task Force Southern Border, provides security along the southern barrier as part of barrier reinforcement operations in Nogales, Ariz., May 15, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Marines assigned to Joint Task Force Southern Border stand in a line to board a UH-60 Black Hawk during a simulated casualty evacuation exercise near San Ysidro, Calif., May 20, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and 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.

Marine Corps Lance Cpls. Rey Gonzalez, left, and Terence Hall, assigned to Joint Task Force Southern Border, patrol along the U.S.-Mexico border near El Centro, Calif., May 21, 2026. 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.

Marine Corps Lance Cpl. Carter Gil, assigned to Joint Task Force Southern Border, launches a Skydio X10 small unmanned aerial system to maintain situational awareness along the U.S.-Mexico border near El Centro, Calif., May 21, 2026.

A soldier engages targets during a Salaknib 2026 live-fire exercise at Fort Magsaysay, Philippines, May 26, 2026. Exercise Salaknib highlights the U.S.-Philippine alliance and enhances interoperability and readiness in the Indo-Pacific region.

Army Capts. David Bindon and Kevin Ouimette maneuver a CH-47 Chinook helicopter to a tactical landing zone during Saber Strike in Kajaani, Finland, May 24, 2026. During the exercise, soldiers integrated unmanned systems, artificial intelligence-enabled command and control and live data networks to move and decide faster, and fight more effectively across all domains.

A soldier assigned to the 2nd Battalion, 27th Infantry Regiment, engages the opposing force during Joint Pacific Readiness Center - Exportable Exercise at Laur, Philippines, May 20, 2026. The exercise integrates U.S., Philippine and partner forces in realistic scenarios to enhance interoperability, refine multidomain tactics and strengthen regional readiness in the Indo-Pacific.

Army Staff Sgt. Brandon Hall shouts commands to his squad during a Saber Strike exercise at the Vuosanka Training Area, Finland, May 19, 2026. During Saber Strike, soldiers integrate unmanned systems, artificial intelligence-enabled command and control and live data networks to move faster, decide faster and fight more effectively across all domains.

Army Sgt. Todd Kelly hand-launches a Peregrine one-way attack unmanned aerial system during Project Flytrap at Pabradė Training Area, Lithuania, May 15, 2026. Project Flytrap is part of a series of exercises that allow soldiers to integrate counter-unmanned systems, artificial intelligence-enabled command and control, and live data networks to move faster, decide faster and fight more effectively across all domains.

An Army UH-60 Black Hawk takes off during a night air assault operation to transport U.S. and Philippine soldiers during the Joint Pacific Readiness Center Exportable Exercise at Fort Magsaysay, Nueva Ecija, Philippines, May 14, 2026. The exercise was designed to enhance interoperability, refine multidomain tactics and strengthen regional readiness in the Indo-Pacific.

Marine Corps Cpls. Juan Arciniegas Lobo, left, Aidan Sea, center, and David Wright, lifeguards assigned to the Onslow Beach Marine Detachment, carry a simulated casualty out of the ocean during an emergency response training exercise at Marine Corps Base Camp Lejeune, N.C., May 14, 2026. The training was designed to increase proficiency of lifesaving techniques in an emergency response situation.

Soldiers conduct infantry situational live-fire training at Vuosanka Training Area, Finland, May 15, 2026. This event was part of the Sword 26 series of linked exercises in Europe aimed at validating NATO's Eastern Flank Deterrence Initiative.

An Army UH-60 Black Hawk helicopter transports an M119 howitzer during the Joint Pacific Readiness Center Exportable Exercise at Fort Magsaysay, Nueva Ecija, Philippines, May 16, 2026. The exercise was designed to enhance interoperability, refine multidomain tactics and strengthen regional readiness in the Indo-Pacific.

Army Sgt. Aaron Nickerson observes his sector fire during the Joint Pacific Readiness Center-Exportable Exercise at Fort Magsaysay, Philippines, May 14, 2026. The exercise integrates U.S., Philippine and partner forces in realistic scenarios to enhance interoperability, refine multidomain tactics and strengthen regional readiness in the Indo-Pacific.

An Army AH-64 Apache attack helicopter conducts flight operations during Ivy Mass at Fort Carson, Colo., May 12, 2026. The exercise was designed to demonstrate soldiers' ability to synchronize aviation operations and next-generation command and control systems during large-scale combat training.

The Brazilian navy attack submarine BNS Humaita and frigate Defensora and the U.S. Navy guided-missile destroyer USS Gridley steam in formation alongside the aircraft carrier USS Nimitz during a bilateral maritime engagement in the Atlantic Ocean, May 13, 2026. The Nimitz is deployed as part of Southern Seas 2026, which seeks to strengthen maritime partnerships with countries throughout the region.

A Marine Corps F-35A Lightning II aircraft participates in a combat search and rescue scenario for Mosaic Lightning 26-2, a combat readiness exercise, over southern Arizona, May 12, 2026.