Sailors and Marines from 20 partner nations attend the official opening ceremony of UNITAS LXIV, at the Colombian Naval Museum, Cartagena, Colombia, July 12, 2023. UNITAS, which is Latin for “unity,” was conceived in 1959 and has taken place annually since first conducted in 1960. This year marks the 64th iteration of the world’s longest-running annual multinational maritime exercise. Additionally, this year the Colombian Navy will celebrate its bicentennial. The exercise focuses on enhancing interoperability amongst the partnered 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 Maj. Jeremy Wheeler)