Sailors man the rails as the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) arrives at Naval Station Rota. Donald Cook is the first of four Arleigh Burke-class guided-missile destroyers to be stationed in Rota. (U.S. Navy photo by Mass Communication Specialist Seaman Edward Guttierrez III/RELEASED)
Europe: Missile Defense in an Evolving Threat Environment