U.S. service members and partner nations receive boarding instructions for an Army CH-47F Chinook at Panama’s Aeropuerto Internacional Panama Pacifico, Panama, Aug. 4, 2026. PANAMAX 2026 is a Republic of Panama hosted, U.S. Southern Command-sponsored training exercise that seeks to improve interoperability and strengthen collective capacity to conduct complex multinational and all-domain operations to ensure free flow of commerce through the Panama Canal and maintain security and stability in the region. (U.S. Marine Corps photo by Lance Cpl. Jazmin Sierra)