A missile launcher vehicle is seen on exhibition before the upcoming 7th China International Aviation and Aerospace Exhibition in Zhuhai, Guangdong Province, in this picture taken on October 31, 2008. A series of new missiles, weapons and China's homegrown CH-3 unmanned fighter plane will make their public debut at the exhibition, which is scheduled to open from November 4 to 9, 2008. [Xinhua]