200619-M-CB805-1096 BLACK SEA (June 19, 2020) The Romanian navy frigate DOS Regina Maria (FFHM 222), the Turkish navy frigate TCG Kinaliada (FSGHM 514), the Bulgarian navy corvette BGS Reshitelni (FSM 13) and the U.S. Navy guided-missile destroyer USS Porter (DDG 78) transit the Black Sea with the amphibious dock landing ship USS Oak Hill (LSD 51), not pictured, June 19, 2020. U.S. Navy ships, with the embarked 26th Marine Expeditionary Unit, are conducting operations in U.S. 6th Fleet in support of regional allies and partners, and U.S. national security interests in Europe and Africa. (U.S. Marine Corps photo by Staff Sgt. Pablo D. Morrison/Released)