Output of global unmanned aircraft system to exceed 400 bln USD: white paper

Photo taken on Nov. 6, 2018 shows Tianshao, or Sky Whistle, drone exhibited at the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, south China's Guangdong Province. The average annual growth rate of the global unmanned aircraft system (UAS) industry will maintain at over 20 percent, and its cumulative output value will exceed 400 billion U.S. dollars in 10 years, according to a white paper released Tuesday. (Xinhua/Deng Hua)