Soldiers with the Peruvian Army (Ejército del Perú) move during the final assault during the Southern Vanguard 26 field training exercise in Sauce, Peru, Sept. 17, 2026. The culminating movement marks the completion of combined jungle training designed to strengthen interoperability and readiness in complex terrain. #SouthernVanguard26# strengthened readiness, interoperability, and regional security through combined training with U.S., Peruvian, Argentine, and Chilean forces. This exercise brought together 400 warfighters to execute field and command post training in the demanding, austere jungle environment, simulating real-world contingencies in the complex terrain of the Amazon. @USArmyWHC @WVNationalGuard @EjercitoPeru @CCFFAA_PERU @USEMBASSYPERU @DeptofWar