A U.S. Marine fires a GAU-21 machine gun from a UH-1Y Venom helicopter attached to Marine Light Attack Helicopter Squadron (HMLA) 269, Marine Aircraft Group 29, 2nd Marine Aircraft Wing, during close air support training for exercise UNITAS 2025 at Marine Corps Base Camp Lejeune, North Carolina, Sept. 18, 2025. UNITAS, which is Latin for “unity,” was conceived in 1959 and has taken place annually since first conducted in 1960. This year marks the 66th iteration of the world’s longest-running annual multinational maritime exercise. (U.S. Marine Corps photo by Sgt. Jorge Borjas)