"Haixun-31" conducts cruise exercise in Qinhuangdao Port
China's largest maritime inspection vessel "Haixun-31" and three patrol ships of the marine safety authority of north China's Hebei Province conduct a cruise drill in Bohai Bay, July 19, 2005. "Haixun-31" is China's first non-military ship equipped with a helicopter hangar it developed and built by itself. After that China included contiguous area and exclusive economic zone into its scope of maritime supervision to strengthen its cruise surveillance.