Mexico's Centenario satellite undergoes pre-launch preparations for its ill-fated launch aboard an ILS Proton.

Satellite owners and insurance underwriters who have booked or insured launches aboard Russia’s Proton rocket in the coming months have little choice but to stick with the rocket despite the fact that the vehicle’s May 16 failure was its fourth since mid-2012.

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Peter B. de Selding was the Paris Bureau Chief for SpaceNews.