180820-N-UY653-139 BLACK SEA (Aug. 21, 2018) Quartermaster 3rd Class Zach Cicerini prepares a sextant for celestial navigation training aboard the Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64), Aug. 21, 2018. Carney, forward-deployed to Rota, Spain, is on its fifth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners as well as U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 1st Class Ryan U. Kledzik/Released)