An Ecuadorian Marine receives instruction by a Colombian Naval Infantry Marine on the Colombian standard-issue rifle while conducting a marksmanship course during Exercise UNITAS LXIV aboard Escuela de Formación de Infantería Marina Coveñas in Coveñas, Colombia, July 13, 2023. UNITAS is the world’s longest-running maritime exercise. Hosted this year by Colombia, it brings together multinational forces from 20 partner nations, including 26 warships/vessels, three submarines, 25 aircraft (fixed wing/helicopter) and approximately 7,000 people. The exercise trains forces in joint maritime operations that enhance tactical proficiency and increase interoperability with the presence of unmanned air, surface, and submarine systems. (U.S. Marine Corps photo by Pfc. Madisyn Paschal)