The problems related to the functioning of the upper stage “Fregat”.
This is the conclusion reached by the Commission to investigate the causes of the accident, the newspaper “Izvestia”, citing a source in the Federal Space Agency. Due to incorrect command Galileo satellites were not delivered to the destination. When the rocket booster and work correctly, but they were laid invalid commands, said the source publication.
August 22 Russian carrier rocket “Soyuz-ST-B” with the upper stage “Fregat-MT” and two European satellites launched from the Spaceport in French Guiana. Later, experts have found a deviation from the planned orbit vehicles. Galileo satellites were considered lost.
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