Astronauts Tang Hongbo (C), Tang Shengjie (R) and Jiang Xinlin for the upcoming Shenzhou-17 spaceflight mission meet the press at the Jiuquan Satellite Launch Center in Northwest China yesterday. The Shenzhou-17 crewed spaceship is expected to be launched from the center at 11:14 a.m. today. It is the 30th flight mission and 12th manned mission of China’s manned space program. The crew will stay in orbit for about six months.    (Story on P4)Xinhua