191010-N-UB406-0240 GULF OF CADIZ (Oct. 10, 2019) A long-exposure photograph is taken of the U.S. Navy guided-missile destroyer USS Gridley (DDG 101), right, conducting an underway replenishment (UNREP) with the Spanish navy replenishment ship ESPS Patino (A-14), left, as the two ships transit the Gulf of Cadiz as part of exercise Dynamic Mariner 2019. The NATO Maritime Command-led Dynamic Mariner/Flotex 19 (DYMR/FL19) is an exercise that tests NATO's Response Force Maritime Component and enhances the flexibility and interoperability amongst Allied nations. DYMR/FL19 involves ships, submarines, aircraft and personnel from fifteen Allied nations converging off the coast of Spain. (U.S. Navy photo by Mass Communication Specialist 2nd Class Cameron Stoner)