Live coverage of the countdown and launch of the NASA’s Soil Moisture Active Passive environmental satellite aboard a United Launch Alliance Delta 2 rocket. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Falcon 9
SpaceX completes hotfire test, preps for first California rocket landing
A Falcon 9 rocket powered by a recycled first stage lit its main engines for a hold-down firing on a launch pad Tuesday at Vandenberg Air Force Base in California in preparation for launch with an Argentine radar satellite on a mission that will feature the first SpaceX booster landing on the West Coast.
Mission Reports
Live coverage: Proton blasts off on return-to-flight mission
A Russian Proton rocket blasted off from Kazakhstan on Friday on a critical launch aiming to complete deployment of a major multibillion-dollar global communications network for London-based Inmarsat. Liftoff occurred at 1144 GMT (7:44 a.m. EDT), but it will take more than 15 hours to put the satellite in the correct orbit.