Chinese taikonauts (L-R) Jing Haipeng, Zhai Zhigang and Liu Boming wave during a press conference at the Jiuquan Satellite Launch Center in northwest China's Gansu Province, yesterday. The Shenzhou-7 spaceship will carry the three taikonauts, all aged 42, for China's third manned space mission that will include the country's first-ever space walk.--Xinhua