Technical setbacks, geopolitical tensions and increased competition are adversely affecting Russia’s Proton rocket, leading to job cuts at its commercial marketing arm International Launch Services (ILS) and delaying full operational capability of Inmarsat’s new $1.6 billion Global Xpress constellation. The heavy-lift Proton has suffered a spate of launch failures in recent years and has been grounded since a May 16 mission, carrying Russia’s Express-AM4R ...


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