A U.S. Marine with 3rd Battalion, 2nd Marine Regiment, Littoral Combat Force-24, fires an M4 service rifle during a skills evaluation event at Camp Santiago Joint Training Center, Puerto Rico, Sept. 22, 2026. U.S. military forces are deployed to the #SOUTHCOM# area of responsibility in support of Joint Task Force Western Hemisphere, @DeptofWar-directed operations, and the President’s priorities to disrupt illicit drug trafficking, deter malign actors and protect the homeland. #JTFWHEM# @The24MEU @USMC @MARFORSOUTH @SecWar

Combat-ready: A U.S. Marine with 3rd Battalion, 2nd Marine Regiment, Littoral Combat Force-24, fires an M4 service rifle during a skills evaluation event at Camp Santiago Joint Training Center, Puerto Rico, Sept. 22, 2026. U.S. military forces are deployed to the #SOUTHCOM# area of responsibility in support of Joint Task Force Western Hemisphere, @DeptofWar-directed operations, and the President’s priorities to disrupt illicit drug trafficking, deter malign actors and protect the homeland. #JTFWHEM# @The24MEU @USMC @MARFORSOUTH @SecWar

Drone warfare: a decisive edge on the battlefield. A U.S. Marine with 3rd Battalion, 2nd Marine Regiment, Littoral Combat Force-24, fires a switchblade 300 drone during a drone qualifications event at Camp Santiago Joint Training Center, Puerto Rico, Sept. 25, 2026. The lightweight Switchblade 300 provides small tactical units a tactical advantage by delivering beyond-line-of-sight precision strike capability in under two minutes. #SOUTHCOM#'s Autonomous Warfare Command (SAWC) integrates people, autonomous and unmanned systems, data, and communications to deliver decisive capabilities around supported-command requirements—creating a continuous decision and operational advantage. U.S. military forces are deployed to the #SOUTHCOM# area of responsibility in support of Joint Task Force Western Hemisphere, @DeptofWar-directed operations, and the President’s priorities to disrupt illicit drug trafficking, deter malign actors and protect the homeland. #JTFWHEM# @The24MEU @USMC @MARFORSOUTH @SecWar

Leading the way in regional security. 🇵🇪 Check out the intense action from the recently completed exercise #UNITAS2026#! Hosted by Peru, the exercise brought together 26 nations to strengthen maritime partnerships and improve interoperability. Regional security is a shared mission, and UNITAS sharpened our collective combat readiness and maritime defense. Peru’s leadership as host of this year's exercise is a testament to their vital role in regional security and stability in the Western Hemisphere. Together, we are prepared for any threat, in any domain. @NAVSOUS4THFLT @MARFORSOUTH @USNavy @USMC @USEmbassyPeru @Deptofwar @naval_peru

U.S. Marines and Argentine Marines scale an ice wall high above Ushuaia, Argentina: U.S. Marines from the Marine Corps Mountain Warfare Training Center joined forces with Argentine Marines from Batallón de Infantería de Marina N° 4 to conquer a sheer ice wall during cold-weather tactical training on Sept. 13, 2026. By mastering vertical ice-climbing and mountain mobility in some of the harshest alpine environments on earth, our forces remain agile, ready, and lethal in any terrain. @USMC @MARFORSOUTH @Armada_Arg @EmbajadaEEUUarg

On point and mission-ready: A U.S. Marine with 3rd Battalion, 2nd Marine Regiment, Littoral Combat Force-24, fires an M4 service rifle during a skills evaluation event at Camp Santiago Joint Training Center, Puerto Rico, Sept. 22, 2026. U.S. military forces are deployed to the #SOUTHCOM# area of responsibility in support of Joint Task Force Western Hemisphere, @DeptofWar-directed operations, and the President’s priorities to disrupt illicit drug trafficking, deter malign actors and protect the homeland. #JTFWHEM# @The24MEU @USMC @MARFORSOUTH @SecWar

Peruvian navy service members hold security while participating in UNITAS 2026, a U.S. Naval Forces Southern Command and U.S. Fourth Fleet-sponsored training exercise at Base Naval Del Callao, Peru Sept. 20, 2026. #UNITAS2026# brought together 26 nations to strengthen maritime partnerships, improve interoperability, and advance regional security. Through realistic, multinational training, participating forces built the trust and skills needed to operate together across the hemisphere. @NAVSOUS4THFLT @MARFORSOUTH @USNavy @USMC @USEmbassyPeru @Deptofwar @naval_peru

Peruvian navy service members conduct visit, board, search, and seizure drills while participating in UNITAS 2026, a U.S. Naval Forces Southern Command and U.S. Fourth Fleet-sponsored training exercise at Base Naval Del Callao, Peru Sept. 18, 2026. #UNITAS2026# brought together 26 nations to strengthen maritime partnerships, improve interoperability, and advance regional security. Through realistic, multinational training, participating forces built the trust and skills needed to operate together across the hemisphere. @NAVSOUS4THFLT @MARFORSOUTH @USNavy @USMC @USEmbassyPeru @Deptofwar @naval_peru

U.S. Marines with the Marine Corps Mountain Warfare Training Center and Argentine marines assigned to the Batallon de Infanteria de Marina N 4 remain suspended below a ledge while awaiting rescue during crevasse rescue training in Ushuaia, Argentina, Sept. 15, 2026. The training improved both forces’ ability to respond to emergencies in glaciated terrain. @USMC @MARFORSOUTH @Armada_Arg @EmbajadaEEUUarg

Ready day or night: A U.S. Marine with Combat Logistics Battalion 8, Littoral Combat Force-24, zeros an AN/PEQ-15 during a rifle range during a rifle range training on Camp Santiago Joint Training Center, Puerto Rico. U.S. military forces are deployed to the #SOUTHCOM# area of responsibility in support of Joint Task Force Western Hemisphere, @DeptofWar-directed operations, and the President’s priorities to disrupt illicit drug trafficking, deter malign actors and protect the homeland through continuous presence. #JTFWHEM# @The24MEU @USMC @MARFORSOUTH @SecWar