Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from NASA’s Kennedy Space Center with the U.S. Air Force’s X-37B mini-shuttle. Text updates will appear automatically below. Follow us on Twitter. Watch on a mobile device.
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Falcon 9
SpaceX plans to cap busy week with launch of satellite for SiriusXM
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.

Atlas 5
Photos: Centaur upper stage hoisted atop Atlas 5 rocket for Starliner launch
United Launch Alliance teams at Cape Canaveral hoisted a Centaur upper stage on top of an Atlas 5 rocket Friday at launch pad 41, completing the initial build-up of the launch vehicle slated to carry Boeing’s Starliner crew capsule into space in December on an unpiloted test flight to the International Space Station.