U.S. Army Maj. Gen. Philip Ryan, U.S. Army South commanding general, introduces Chilean Maj. Gen. Eduardo Valdivia (left) and Peruvian Maj. Gen. Victor Muñoz (center) to hundreds of multinational and joint force PANAMAX 2024 participants at the Fort Sam Houston Theater, Aug. 6, 2024. PANAMAX is a U.S. Southern Command-sponsored, multinational, biennial command post exercise (CPX) enabling multiple participating nations to practice interoperability and strengthen their ability to plan and execute complex multinational operations at various locations across the United States, Aug. 5-14. At Joint Base San Antonio-Fort Sam Houston, Army South is hosting 11 nations from South and Central America, as well as U.S. joint staff members, who will participate in the exercise as part