December Proton Failure Linked To Damaged Pump

Credit: ILS
International Launch Services (ILS) says the Dec. 8, 2012 failure of a Proton rocket equipped with a Briz M upper stage has been traced to “adverse conditions” that caused damage to a bearing in the Briz M main engine turbo pump. The mishap led to the premature shutdown of the Briz M upper stage and...

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