U.S. Marine Corps Lance Cpl. Ethan Walker, a crew chief, with Marine Light Attack Helicopter Squadron (HMLA-775), Marine Aircraft Group 41, 4th Marine Aircraft Wing, looks out at the view during a simulated medical evacuation exercise for UNITAS LXIV aboard a UH-1Y Venom helicopter in Cartagena, Colombia, July 14, 2023. UNITAS, taking place in Colombia this year, is the world’s longest-running annual multinational maritime exercise that focuses on enhancing interoperability among multiple nations and joint forces during littoral and amphibious operations in order to build on existing regional partnerships and create new enduring relationships that promote peace, stability, and prosperity in the U.S. Southern Command’s area of responsibility. (U.S. Marine Corps photo by Lance Cpl. Mary Kohlmann)