Live coverage of the countdown and launch of a Russian Soyuz rocket on a rideshare mission with 38 international satellites. Text updates will appear automatically below. Follow us on Twitter.
Roscosmos’s live video stream begins at approximately 0515 GMT (1:15 a.m. EDT) and will be available on this page.
A massive radio broadcasting satellite for SiriusXM is set for liftoff Friday on top of a Falcon 9 rocket, punctuating a busy week for SpaceX that included the debut of a new-generation cargo ship for the International Space Station and a spectacular atmospheric test flight of a prototype rocket over South Texas.
The twin 177-foot-tall solid-fueled boosters for the first flight of NASA’s Space Launch System have been stacked inside the Vehicle Assembly Building at the Kennedy Space Center to await arrival of the rocket’s cryogenic core stage, which is set for a second engine test on a firing stand in Mississippi later this month.
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