150610-N-BS486-012 NAVAL STATION ROTA, Spain (June 10, 2015) – Electrician’s Mate Fireman Lukas Struszczyk works on reinstalling a battery aboard a Rigid Hull Inflatable Boat (RHIB) attached to the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75). The Cook is one of three forward-deployed ships in port as part of the president’s European Phased Adaptive Approach to NATO’s ballistic missile defense in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class Grant Wamack/Released)