DOW Support to the Southern Border

Marine Corps Lance Cpl. Ryan Banales prepares to drive an infantry squad vehicle along the U.S.-Mexico border in San Diego, Feb. 25, 2026.

Marines patrol the U.S.-Mexico border in San Diego, Feb. 24, 2026.

Sailors assigned to the submarine USS Delaware stand topside after an arctic surfacing during Operation Ice Camp in the Beaufort Sea, Arctic Circle, March 14, 2026. The operation was designed to research, test and evaluate operational capabilities in the Arctic region.

Marines and soldiers assigned to Joint Task Force Southern Border train together to enhance security for southern border barrier reinforcement operations in Yuma, Ariz., March 2, 2026.

Army Corps of Engineers South Pacific Border Task Force installs the first border barrier panel at the National Defense Area 1 project site near Antelope Wells, N.M., March 3, 2026. The project consists of installation of up to six miles of new permanent border barrier with access gates, patrol roadways and access improvements.

Soldiers check their sectors of fire during seize and defend the objective training as part of Freedom Shield at Rodriguez Live Fire Complex, South Korea, March 11, 2026. The exercise highlights the U.S.-South Korean alliance's commitment to maintain a robust combined defense posture and to defend both nations from any threat or adversary.

Navy Seabees construct a 14-bay medium girder bridge during Cold Response in Elvegardsmoen, Norway, March 9, 2026. The exercise was designed to enhance collective defense capabilities and ensure U.S. readiness to rapidly deploy and seamlessly operate alongside NATO allies in challenging Arctic conditions.

Marine Corps Lance Cpl. Sebastian GutierrezQuiroz and Sgt. Matthew Blake shoot a FIM-92E Stinger missile at a simulated hostile counter-unmanned aircraft system during Arctic Edge near Fort Greely, Alaska, March 7, 2026. The exercise was designed to improve readiness, demonstrate capabilities and enhance joint and allied force interoperability in the Arctic.

A U.S. Air Force F-35A Lightning II jet and a Royal Norwegian Air Force F-35A Lightning II fly in formation during Cold Response near Lofoten, Norway, March 10, 2026. The exercise was designed to enhance collective defense capabilities and ensure U.S. readiness to rapidly deploy and seamlessly operate alongside NATO allies in challenging Arctic conditions.

Marine Corps Cpls. Robert Ford, right, and Frederik Arminger conduct analytic biological sampling training during Arctic Edge near Fort Greely, Alaska, March 7, 2026. The exercise was designed to improve readiness, demonstrate capabilities and enhance joint and allied force interoperability in the Arctic.

An airman secures a casualty for transport during a simulated search and rescue for Arctic Edge in Kangerlussaq, Greenland, March 7, 2026. The exercise was designed to improve readiness, demonstrate capabilities and enhance joint and allied force interoperability in the Arctic.

U.S. Navy Petty Officer 1st Class Colin Murphy assists South Korean Navy Petty Officer 1st Class Changmin Seo during rappel and rigging training as part of Exercise Cobra Gold 2026 in Sattahip, Thailand, March 3, 2026. Cobra Gold, cohosted by the U.S. and Thailand, is the Indo-Pacific’s largest annual military exercise on mainland Asia, bringing together participants from multiple nations for military training and humanitarian projects that strengthen regional partnerships and demonstrate U.S. commitment to Indo-Pacific security.

U.S., Thai and South Korean navy divers participate in a salvage diving exercise during Exercise Cobra Gold 2026 in Sattahip, Thailand, March 2, 2026. The exercise, cohosted by the U.S. and Thailand, brings together participants from multiple nations for military training and humanitarian projects that strengthen regional partnerships and demonstrate U.S. commitment to Indo-Pacific security.

Air Force Airman 1st Class Skylar Troiano plays a game with a student during an English class at the Ban Huatele School in Nakhon Ratchasima, Thailand, Feb. 24, 2026, while supporting Cobra Gold 2026. The exercise, cohosted by the U.S. and Thailand, brings together participants from multiple nations for military training and humanitarian projects that strengthen regional partnerships and demonstrate U.S. commitment to Indo-Pacific security.

A Marine provides simulated security during Cobra Gold at Hat Yao Beach, Rayong Province, Thailand, Feb. 28, 2026. The exercise brings together participants from multiple nations for military training and humanitarian projects that strengthen regional partnerships and demonstrate U.S. commitment to Indo-Pacific security.

Army and Japan Ground Self-Defense Force soldiers work on enhancing their skiing abilities during a cold-weather exercise at North Wind 26 in Japan, Jan. 23, 2026. North Wind is a bilateral U.S. Army Japan and Japan Ground Self-Defense Force winter field training exercise focused on enhancing bilateral tactics, techniques and procedures for extreme cold-weather conditions and enhancing interoperability and readiness between U.S. and Japanese forces.

Marine Corps Lance Cpl. Malachi Hazelett, a rifleman assigned to 2nd Battalion, 7th Marine Regiment, and forward-deployed with the 4th Marine Regiment, 3rd Marine Division as part of the unit deployment program, identifies his targets during live-fire training as part of Exercise Korea Viper 26.2 at Suesong-ri range in Pohang, South Korea, Feb. 20, 2026.

A service member participates in Combined Resolve 26-05 at the Joint Multinational Readiness Center in Hohenfels, Germany, Feb. 22, 2026. During the exercise, U.S. and NATO units emphasized decisive action training and strengthened multinational coordination through force-on-force engagements.

U.S. service members and Panamanian security partners conduct a simulated medical evacuation at the jungle operations training course at Aeronaval Base Cristóbal Colón, Panama, Feb. 19, 2026. By sharing knowledge and working together, U.S. Southern Command and Panamanian security forces ensure regional partners can maintain stability in the event of natural disasters, medical catastrophes or other challenges.

Soldiers assigned to the 1st Armored Brigade Combat Team, 1st Infantry Division, pull security during Combined Resolve 26-05 at Joint Multinational Readiness Center's Hohenfels Training Area in Germany, Feb. 19, 2026.