150402-N-JN664-032 ATLANTIC OCEAN (April 3, 2015) Operations Specialist 2nd Class Jerome Shackleford, from Norfolk, serves as the bridge surface detector and tracker during a simulated general quarters as part of flag officer sea training (FOST) aboard USS Donald Cook (DDG 75) April 3, 2015. Donald Cook, an Arleigh Burke-class guided-missile destroyer, forward-deployed to Rota, Spain, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class Karolina A. Oseguera/Released)