'King of Soldiers' keeps up with tech

Master sergeant admired for ability to teach technical skills to members of PLA artillery force

Wang Zhongxin, a junior middle school graduate, has the rank and expertise to operate some of the China's most sophisticated weapon systems.

Wang, 47, is a master sergeant class one, the highest of the noncommissioned officer ranks, and is nicknamed "King of Soldiers" by the men of the People's Liberation Army Second Artillery Force, a strategic force equipped with both nuclear and conventional missiles.