Proton M lifts off with Intelsat 31, second stage underperforms – Satellite News Digest

Rocket: Proton-M/Briz-M; Payload: Intelsat 31 [Intelsat DLA-2]; Date: 9 June 2016, 0710 UTC; Launch site: Baikonur, Kazakhstan. The ascent unit separated from the Proton’s as planned after a 10-minute flight; however, one of the second stage’s engines had shut down prematurely. The Briz-M upper stage was later able to compensate the performance shortfall. At the time of writing, the upper stage had completed four of its five burns.

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