China's ambition to upgrade its massive military on display at air show

China's New Drones Raise Eyebrows

Western defense officials and experts were surprised to see more than 25 different Chinese models of the unmanned aircraft, known as UAVs, on display at this week's Zhuhai air show in this southern Chinese city. It was a record number for a country that unveiled its first concept UAVs at the same air show only four years ago, and put a handful on display at the last one in 2008.

The apparent progress in UAVs is a stark sign of China's ambition to upgrade its massive military as its global political and economic clout grows.