The crew of two Russians and and an American lifted off as scheduled. (AP)

A Soyuz rocket carrying two Russians and an American has blasted off for the International Space Station.The crew of Roscosmos Sergey Ryzhikov and Andrey Borisenko and NASA astronaut Shane Kimbrough lifted off as scheduled from the Russian-operated Baikonur launch facility in the steppes of Kazakhstan at 2:05 p.m. local time (0805 GMT) Wednesday.Their Soyuz MS-02 space capsule is set to dock at the space outpost two days later.The launch was originally set for September 23, but it was postponed because of a technical issue with the Soyuz spacecraft that was eventually fixed.Kimbrough, Ryzhikov and Borisenko are to spend just over four months at the station before coming back to Earth in late February.