190707-N-RG482-1021 ODESA, Ukraine (July 7, 2019) The Royal Navy Daring-class air-defence destroyer HMS Duncan (D37) sits in port in Odesa, Ukraine, while participating in Ukrainian Navy Day, which coincides with exercise Sea Breeze 2019, July 7, 2019. Sea Breeze is a U.S. and Ukraine co-hosted multinational maritime exercise held in the Black Sea and is designed to enhance interoperability of participating nations and strengthen maritime security and peace within the region. (U.S. Navy photo by Mass Communication Specialist 1st Class Kyle Steckler/Released)