Leaders from the Brazilian Marine Corps and Navy and U.S. Navy and Marine Corps (front row from left to right) listen to capabilities brief from the captain of the Brazilian Naval frigate Uniâo (F 45) Oct. 30, 2020. U.S. Marine Corps Lt. Col. Michael Aubry (right), theater security cooperation branch head with U.S. Marine Corps Forces, South, and U.S. Navy Lt. Cmdr. Windsor Frinell, theater security cooperation officer with U.S. Naval Forces Southern Command/U.S. 4th Fleet, arrived aboard the Brazilian Naval frigate Uniâo (F 45) and participated in a Brazilian Navy maritime engagement from Oct. 27 to Nov. 5 off the northeast coast of Brazil. They embarked and integrated with the Brazilian Navy and Marine Corps for ten days at sea in order to observe their planning process, exchange best practices and increase interoperability between the two nations. (Courtesy photo)