
A modified model of the Long March CZ-2F rocket carrying the unmanned spacecraft Shenzhou-8 blasts off from the launch pad at the Jiuquan Satellite Launch Center in northwest China's Gansu Province, Nov. 1, 2011. (Xinhua/Li Gang)

Model of the Long March CZ-2F rocket carrying the unmanned spacecraft Shenzhou-8 blasts off from the launch pad at the Jiuquan Satellite Launch Center in northwest China's Gansu Province, Nov. 1, 2011. (Xinhua/Li Gang)