Live coverage of the countdown and launch of the first Super Strypi rocket on the U.S. Air Force’s ORS-4 mission with 13 small satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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ULA’s candidates to replace RD-180 engine win Air Force funding
The Pentagon has awarded at least $162 million in contracts to Aerojet Rocketdyne and United Launch Alliance for development of the AR1 and BE-4 rocket engines, candidates to power the first stage of a next-generation rocket and replace the Russian-made engine currently flying on the Atlas 5 launcher.
Falcon 9
Live coverage: SpaceX launches rideshare mission on Falcon 9 rocket
SpaceX launched the first in a series of small satellite rideshare missions Sunday from Cape Canaveral, providing transportation for 143 U.S. and international spacecraft to low Earth orbit, a record number of satellites on a single flight. Liftoff occurred at 10 a.m. EST (1500 GMT) Sunday after bad weather forced SpaceX to scrub a launch attempt Saturday morning.