High Achiever Army Spc. Rosa Ibarra crosses a two-rope bridge under the supervision of Chilean army mountain instructors during Exercise Southern Vanguard 25 in Antuco, Chile, Aug. 16, 2025. The exercise underscores the Army's enduring commitment to regional partnership as U.S. forces deploy to Chile to conduct combined mountain warfare, field and command post training alongside Chilean forces, with participation from Argentina and Peru, advancing regional security and cooperation across the Western Hemisphere. SHARE: Download: Full Size (1.74 MB) Tags: exercises, partnerships, southern command, army, southern vanguard, southern vanguard 25 Credit: Army Capt. Danielle Dias, National Guard VIRIN: 250816-Z-XC613-1105.JPG Photo Gallery