On July 30 (31 July local) the Proton-M carrier rocket will take off from the Baikonur cosmodrome, carrying two telecommunications satellites, Express-80 and Express-103. The launch is scheduled to take place at 21:25 GMT (02:25 local time).
The flight into orbit is said to become the longest in history. The separation of Express-80 is scheduled 17 hours and 59 minutes after takeoff, while Express-103 is expected to separate 17 minutes later, according to Roscosmos.
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