Sailors assigned to a destroyer flotilla with the navy under the PLA Northern Theater Command practice wearing Mission-Oriented Protective Posture (MOPP) gears aboard the guided-missile frigate Daqing (Hull 576) during a maritime live-fire training exercise at an undisclosed sea area in the Yellow Sea from May 11 to 14, 2018. (eng.chinamil.com.cn/Photo by Zhang Hailong)
