Sec Ss News Today

Hours away from chinas second manned mission to help build its new space station. david culver has more on the launch. >> reporter: just behind me, you can see the launch pad for the vessel. it will be launching off and traveling to heavenly palace, chinas soon-to-be completed space station. why is china building their own space station when there is the international space station? because the u.s. barred china from participating in the i sec ss so theyre constructing their own. astronauts from...