180716-N-XT273-286 ODESSA, Ukraine (July 16, 2018) Ukrainian President Petro Poroshenko tours the joint operations center aboard the Blue Ridge-class command and control ship USS Mount Whitney (LCC 20) during exercise Sea Breeze 2018 in Odessa, Ukraine, July 16, 2018. Sea Breeze is a U.S. and Ukraine co-hosted multinational maritime exercise held in the Black Sea and is designed to enhance the interoperability of participating nations and strengthen maritime security within the region. (U.S. Navy photo by Mass Communication Specialist 1st Class Justin Stumberg/Released)