191202-N-TI693-1226 ATLANTIC OCEAN (Dec. 2, 2019) Boatswain’s Mate Seaman Arnaldo Mercado, front, from Caguas, Puerto Rico, communicates with Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64) during a mooring to a buoy evolution as part of the U.K.-led Flag Officer Sea Training (FOST), Dec. 2, 2019. FOST’s training is designed to prepare all types of navy vessels and auxiliaries for peacetime, peace-support, and war-fighting operations. Carney, forward-deployed to Rota, Spain, is on its seventh 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 Fred Gray IV/Released)