Proton M launches two satellites in 18+ hour mission – Satellite News Digest

Rocket: Proton M/Briz M; Payload: Ekspress-80, Ekspress-103; Date: 30 July 2020, 2125 UTC; Launch site: Baikonur, Kazakhstan. The Briz M upper stage released Ekspress-80 — riding in the upper position in the dual-satellite stack — at 1524 UTC on 31 July, followed by the deployment of Ekspress-103 17 minutes later.

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