China's YH-1000S, a self-made hybrid unmanned cargo aircraft, the world's first of its kind, has completed its maiden flight in Southwest China's Chongqing municipality. (PHOTO / CCTV)
China's YH-1000S, a self-made hybrid unmanned cargo aircraft, the world's first of its kind, has completed its maiden flight in Southwest China's Chongqing municipality. (PHOTO / CCTV)
