Live coverage of the countdown and flight of a Delta 4-Heavy rocket carrying NASA’s Orion space capsule on its first test flight in Earth orbit. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Falcon 9
Live coverage: Falcon 9 rocket lifts off with Radarsat satellites
A SpaceX Falcon 9 rocket lifted off from Vandenberg Air Force Base in California at 10:17:10 a.m. EDT (7:17:10 a.m. PDT; 1417:10 GMT) Wednesday with the Radarsat Constellation Mission for the Canadian government. The Falcon 9’s first stage successfully landed back at Vandenberg around eight minutes later.
Delta 4
Live coverage: Delta 4 launches from California with spy satellite
United Launch Alliance kicked off its 2018 launch campaign with a Delta 4 rocket flight at 2:11 p.m. PST (5:11 p.m. EST; 2211 GMT) Friday from Vandenberg Air Force Base in California. Gusty winds forced officials to call off a launch attempt Wednesday, and technical problems halted a countdown Thursday multiple times. The Delta 4 launched with a top secret spy satellite for the National Reconnaissance Office.