Sailors assigned to a destroyer flotilla of the navy under the PLA Southern Theater Command cooperate with each other in the training exercise of visit, board, search and seizure (VBSS) operations on November 13 during a real combat training exercise in the South China Sea, which involves more than 10 subjects, including anti-submarine training based on destroyer-aircraft coordination, operational training on visit, board, search and seizure (VBSS), anti-terrorism and anti-piracy training, etc. (eng.chinamil.com.cn/Photo by Xu Guang and Chen Yubin)