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PACIFIC OCEAN (Jan. 14, 2026) – A U.S. Navy Mk. 38 25mm machine gun is fired during a live-fire gunnery exercise aboard Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71) Jan. 14, 2026. Theodore Roosevelt, flagship of Carrier Strike Group (CSG) 9, is underway conducting exercises to bolster strike group readiness and capability in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Tyler Harstad)