PARIS – An International Launch Services (ILS) Proton M/Briz M rocket lifted Inmarsat’s second Global Xpress (GX) satellite to super-synchronous transfer orbit (SSTO) Feb. 1 from the Baikonur Cosmodrome in Kazakhstan. The rocket lifted off at 7:31 a.m. EST carrying the Boeing-built GX spacecraft, also known as Inmarsat-5 F2. Spacecraft separation followed 15.5 hr. later at 12:02 a.m. EST. The launch marks Proton’s first this year following a spate of mishaps that delayed ...

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