The guided-missile cruiser USS Chosin (CG 65) fires its 5-inch Mk45 gun during a live-fire exercise. Chosin is in the U.S. 7th Fleet area of responsibility conducting exercises, port visits and operations to enhance maritime partnerships and promote peace and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Fire Controlman 3rd Class Andrew Albin/Released)