PACIFIC OCEAN (July 23, 2014) Airman Zachary Frey, from Scott City, Mo., left, and Gunner’s Mate 3rd Class Kyle Roest, from Battleground, Wash., adjust a night vision scope on a .50-caliber machine gun on the fantail of the aircraft carrier USS Nimitz (CVN 68). Nimitz is underway conducting routine training exercises. (U.S. Navy photo by Mass Communication Specialist 3rd Class Eric M. Butler/Released)
