190916-N-SR275-0040 ATLANTIC OCEAN (Sept. 16, 2019) The Spanish navy Álvaro de Bazán-class air-defense frigate ESPS Álvaro de Bazán (F 101) transits the Atlantic Ocean before participating in Spanish Naval Exercise Maritime Surveillance (MARSUR) 2019 with the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78), Sept. 16, 2019. Porter, forward-deployed to Rota, Spain, is on its seventh patrol in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 3rd Class T. Logan Keown/Released)