150226-N-JN664-056 MEDITERRANEAN SEA (Feb. 26, 2015) The guided-missile destroyer USS Donald Cook (DDG 75) conducts a live-fire gunnery exercise with the MK 45 5-inch gun as part of a passing exercise with the French navy frigate La Fayette (F 710). Donald Cook is forward-deployed to Rota, Spain, and is conducting naval operations in the U.S. 6th Fleet area of responsibility in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class Karolina A. Oseguera/Released)