Inmarsat 5 F3 – Spaceflight Now

Photos: Proton rocket soars from Baikonur

August 31, 2015

Russia’s Proton rocket returned to flight Friday, blasting off for the first time since a May launch mishap. Relive Friday’s launch with a video replay and photos of the daytime liftoff from the Baikonur Cosmodrome.

Proton back in action with successful launch for Inmarsat

August 29, 2015

Russia’s Proton rocket returned to flight Friday with the successful deployment of a powerful new communications satellite for Inmarsat of London in the workhorse rocket’s first flight since a launch failure in May.

Live coverage: Proton blasts off on return-to-flight mission

August 27, 2015

A Russian Proton rocket blasted off from Kazakhstan on Friday on a critical launch aiming to complete deployment of a major multibillion-dollar global communications network for London-based Inmarsat. Liftoff occurred at 1144 GMT (7:44 a.m. EDT), but it will take more than 15 hours to put the satellite in the correct orbit.

Roscosmos: Design flaw brought down Proton rocket

June 1, 2015

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.