Hull number 81, named after Zheng He: Unveiling China's first ocean-going navigation training ship.

April 23rd is the 77th anniversary of the founding of the People's Navy. In more than 10 cities across the country, the People's Navy held open days at military bases, showcasing over 40 active ships to the public. During this year's naval open day activities, Dalian Lushun Port also opened to the public China's first ocean-going training ship - the Zheng He ship.