The guided-missile destroyer Hefei fires its 130mm main gun at a surface target during a live-fire training exercise. An open sea training taskforce with the PLA Navy South China Sea Fleet consisting of the guided-missile destroyers Hefei (Hull Number 174) and Lanzhou(Hull Number 170), guided-missile frigate Sanya (Hull Number 574) and the comprehensive supply ship Honghu ((Hull Number 963) carried out live-fire training in an undisclosed sea area of the West Pacific on May 21, 2016. (Photo/81.cn)
