U.S. Navy Lt. Cmdr. Marissa Mayor, a general surgeon with 2nd Medical Battalion, 2nd Marine Logistics Group, in support of Special Purpose Marine Air-Ground Task Force UNITAS LXIII poses for a picture on a UH-1Y Venom with her surgical instruments while aboard the amphibious transport dock ship USS Mesa Verde (LPD 19) during a surgical training event during exercise UNITAS LXIII in the Atlantic Ocean, Sept. 17, 2022. The training event consisted of Marines patrolling, taking simulated casualties, and simulated lifesaving surgery. UNITAS, which is Latin for “unity,” was conceived in 1959 and has taken place annually since first conducted in 1960. This year marks the 63rd iteration of the world’s longest-running annual multi-national maritime exercise. Additionally, this year Brazil celebrated its bicentennial, a historical milestone commemorating 200 years of the country’s independence. (U.S. Marine Corps photo by Cpl. Ryan Schmid)