RIO DE JANEIRO, Brazil (Sept. 11, 2022) U.S. Navy SEALs assigned to a Naval Special Operations Team, tread water while preparing to go underwater during a dive mission as part of exercise UNITAS LXIII in Rio de Janeiro, Sept. 12, 2022. UNITAS 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 Sgt. Camila Melendez)