191007-N-UB406-0045 ROTA, Spain (Oct. 7, 2019) Ships from Allied NATO nations are moored pierside at Naval Station Rota in preparation of exercise Dynamic Mariner 2019. The NATO Maritime Command-led Dynamic Mariner/Flotex 19 (DYMR/FL19) is an exercise that test's 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/Released)