110106-N-7981E-019 PACIFIC OCEAN (Jan. 6, 2011)- Weapons Department Sailors prepare a .50-caliber machine gun mount for a familiarization fire exercise on the fantail of the aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson and Carrier Air Wing (CVW) 17 are on a deployment to the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans / RELEASED)