DOW Support to the Southern Border

Coast Guardsmen conduct unmanned aircraft systems training aboard the Cutter Robert Ward off the coast of San Pedro, Calif., Dec. 18, 2025. The training expands the crew's operational reach and sharpens response capabilities while saving time and resources.

Air Force Capt. Jacob Reisler and Tech. Sgt. Jacob Walen refuel an LC-130 Hercules at the Amundsen-Scott South Pole Station, Antarctica, Dec. 11, 2025.

Army Chief Warrant Officer 2 Frank Blahut and Warrant Officer Carter Winters, assigned to Joint Task Force Southern Border, prepare to land a Black Hawk helicopter at Fort Huachuca, Ariz., Dec. 4, 2025, after completing a mission with U.S. Customs and Border Protection.

Army Col. Joseph Katz, the 101st Airborne Division (Air Assault) deputy commanding officer for support, assigned to Joint Task Force Southern Border, observes the southern border during a visit to El Paso, Texas, Dec. 1, 2025. Katz visited to gain on-ground insight into operations in that sector.

A soldier assigned to Joint Task Force Southern Border welds a post for barrier improvement at Fort Bliss, Texas, Dec. 1, 2025. The task force is supporting  U.S. Customs and Border Protection to achieve 100% operational control of the southern border.

Marine Corps Lance Cpl. Roman LucasJulian, assigned to Joint Task Force Southern Border, operates an 850JR Medium Crawler Tractor during roadway improvement operations in Yuma, Ariz., Nov. 18, 2025.

Marine Corps Lance Cpl. Tristan Deslatte, assigned to Joint Task Force Southern Border, guides barbed wire as it is attached to the southern border barrier in Yuma, Ariz., Nov. 17, 2025.

Marines assigned to Joint Task Southern Border carry concertina wire into position for installation in Yuma, Ariz., Nov. 17, 2025.

Marines assigned to Joint Task Force Southern Border use 460SJ telescopic booms to attach concertina wire while reinforcing the southern border barrier in Yuma, Ariz., Nov. 17, 2025.

Marine Corps Lance Cpl. Adam Cline, assigned to Joint Task Force Southern Border, operates a 120M motorized road grader during roadway improvement operations in Yuma, Ariz., Nov. 18, 2025.

U.S. Customs and Border Protection agents conduct maritime operations with soldiers to share insights about tactics and strategies used to safeguard the nation's southern border in Del Rio, Texas, March 7, 2025.

Marines assigned to Joint Task Force Southern Border prepare concertina wire to reinforce the southern border barrier in Yuma, Ariz., Nov. 12, 2025.

Marine Corps Sgt. Alexander Trelease, assigned to Joint Task Force Southern Border, drags concertina wire to a staging area while reinforcing the southern border barrier in Yuma, Ariz., Nov. 12, 2025.

Marine Corps Cpl. Mark Salazar, assigned to Joint Task Force Southern Border, provides security as Marines reinforce the southern border barrier in Yuma, Ariz., Nov. 12, 2025.

Marine Corps Cpl. Paul Emmanuel Kouassi, assigned to Joint Task Force Southern Border, attaches concertina to reinforce the southern border barrier in Yuma, Ariz., Oct. 15, 2025

Marine Corps Pfc. Ethan Webb works on a bracket at the southern border barrier in Yuma, Ariz., Oct. 15, 2025.

Marines assigned to Joint Task Force Southern Border reinforce the southern border barrier in Yuma, Ariz., Oct. 15, 2025.

Marines assigned to Joint Task Force Southern Border place concertina wire while reinforcing the southern border barrier in Yuma, Ariz., Oct. 15, 2025.

Coast Guard Petty Officer 2nd Class Jared Vannoy, right, and Justin Burnett, an Arctic Mobile Observing System research engineer, pull a Seaglider autonomous underwater vehicle aboard a small boat while operating in the Arctic Ocean, Aug. 5, 2025. The Seaglider spent a year gliding through the Arctic Ocean collecting oceanographic data before being recovered and brought aboard the Coast Guard cutter Healy, the United States' largest and most technologically advanced polar icebreaker.

Air Force personnel walk around the North Warning System Site FOX-M in Sanirajak, Nunavut, Canada, April 9, 2025. The North Warning System is a radar network designed to provide aerospace surveillance and early warning of potential threats approaching North American airspace.