OneWeb’s next 36 internet satellites stacked on top of a Soyuz rocket lifted at 10:47 p.m. EDT Wednesday (0247 GMT Thursday) from the Vostochny Cosmodrome in Russia’s Far East.

Just two weeks before it flies to space, the core stage of the next Atlas 5 rocket was erected aboard the mobile launcher platform this morning by United Launch Alliance technicians to kick off a streamlined vehicle assembly that will break a record.

A sophisticated communications satellite launches into orbit atop an Atlas 5 rocket Sunday to bring residential high-speed Internet to parts of the U.S. that must look to space for connectivity.