BALTIC SEA – A Russian Sukhoi Su-24 attack aircraft makes a very-low altitude pass by the USS Donald Cook (DDG 75) April 12, 2016. Donald Cook, an Arleigh Burke-class guided-missile destroyer, forward deployed to Rota, Spain is conducting a routine patrol in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy 6th Fleet photo/Released)
