
A CH-5 unmanned aerial vehicle (UAV), also known as "Rainbow 5", is on show at the 11th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Oct. 31, 2016. (Xinhua/Liang Xu)

A CH-5 unmanned aerial vehicle (UAV), also known as "Rainbow 5", is on show at the 11th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Oct. 31, 2016. (Xinhua/Liang Xu)