U.S. Army South Brig. Gen. Michael Eastridge, deputy commanding general arrives at the opening ceremony for Southern Vanguard 25 Exercise with U.S. Army, U.S. Air Force and military forces from Argentina and Peru during Exercise Southern Vanguard 25 in Los Angeles, Chile, Aug. 11, 2025. Exercise Southern Vanguard 25 underscores the U.S. 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 - strengthening interoperability, shared readiness, and mutual trust while advancing regional security and cooperation across the Western Hemisphere. (U.S. Army National Guard photo by Spc. Rosa Ibarra)