180106-N-KA046-0252 BLACK SEA (Jan. 6, 2018) Quartermaster 1st Class Christopher Holgate uses a sextant on the bridge wing aboard the Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64) in the Black Sea. Carney, forward-deployed to Rota, Spain, is on its fourth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners, and U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Turner/Released)