Vietnam's officers welcomes officers of the Russian Navy's Pacific Fleet at Tien Sa port in Vietnam's central Da Nang city, July 31, 2015. Ships of the Pacific Fleet of the Russian Navy, including anti-submarine ship "Admiral Panteleyev", the tanker "Pechenga" and the tug "SB-522", anchored at Tien Sa port in Vietnam's central Da Nang city on Friday. (Xinhua/VNA)
