How the Proton Works

Following the investigation in the July 2 Proton launch failure but getting lost among all those engines, stages, and connection plates? Check out the infographic below to help keep it all straight. This illustration shows a Breeze-M upper stage, but the July 2 launched was trying out a new upper stage, the Block DM-03. Block DM-03 carries 25% larger propellant tanks than the Block D, but still runs on kerosene and liquid oxygen. According to RussianSpaceWeb, 109 Proton launches have been attempted since 2001, with a 92% success rate.

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