Sonar Technician 1st Class Daniel Lynch, from Annapolis, Maryland, assigned to Ticonderoga-class guided-missile cruiser USS Antietam (CG 54), fires a MK-2 .50 caliber gun during a live-fire gunnery exercise. Antietam is on patrol in the 7th Fleet area of operations in support of security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman David Flewellyn/Released)