160704-N-TC720-071 PIRAEUS, Greece (July 4, 2016) Gunner's Mate 2nd Class Elihu Santos, from Mcallen, Texas, forward, and Sonar Technician (Surface) 2nd Class Alex Lelocq, from Lodi, California, conduct a search aboard USS Donald Cook (DDG 75) during an anti terrorism drill July 4, 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 photo by Mass Communication Specialist 2nd Class Mat Murch/Released)