120103-N-DR144-188 PACIFIC OCEAN (Jan. 3, 2012) Aviation Ordnanceman 3rd Class Christopher Crone fires a .50 Caliber machine gun during a crew-served weapons fire exercise aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson and Carrier Air Wing (CVW) 17 are underway on a Western Pacific Deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans/Released)