Mexsat 1 – Spaceflight Now

December 25, 2025

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[ December 22, 2025 ] H3 rocket suffers upper stage anomaly, fails to correctly deploy navigation satellite H3
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[ December 18, 2025 ] Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA Electron

Roscosmos: Design flaw brought down Proton rocket

June 1, 2015 Stephen Clark

Russia has blamed a design flaw in the Proton rocket’s third stage that went undetected for decades as the cause of a May 16 launch failure.

Live coverage: Proton launch runs into trouble

May 15, 2015 Stephen Clark

Russia’s Proton rocket launched from Kazakhstan at 0547 GMT (1:47 a.m. EDT) Saturday with Mexico’s Centenario communications satellite, but the Russian space agency reported an anomaly occurred some time after liftoff.