From in the past airship of emissive god boat comes here second heavenly palace / divine boat makes task of meeting butt joint 8 numbers, does the manned spaceflight of our country blast off to to what is occasion challenged and to what is occasion challenged and change? Reporter of Xinhua News Agency interviewed manned spaceflight project to launch a system Zheng Yonghuang of deputy total stylist. Launch bigger than divine boat difficulty reporter: The difficulty that emissive difficulty and photograph of airship of divine boat series compare heavenly palace how? Zheng Yonghuang: The difficulty that heavenly palace launchs one number wants bigger, main body changes in systematic condition now particularly big. Aircraft of heavenly palace target is a brand-new aircraft, the technical status change of rocket system achieved more than 170, we launched a system to also undertake 100 multinomial technology condition change, this is carried out to our organization brought difficulty. And this heavenly palace tas