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.
Mission Reports
Photos: SLS mobile launch platform rolls to pad 39B
Falcon 9
Live coverage: SpaceX launches 60 more Starlink satellites
A SpaceX Falcon 9 rocket lifted off at 11:44 p.m. EDT Wednesday (0344 GMT Thursday) from pad 40 at Cape Canaveral Space Force Station with the next 60 Starlink internet satellites. The Falcon 9’s first stage booster landed on SpaceX’s drone ship in the Atlantic Ocean nearly nine minutes after launch, completing its seventh trip to space and back.
Delta 4
Live coverage: Delta 4-Heavy launch scrubbed again
United Launch Alliance called off the planned liftoff of a Delta 4-Heavy rocket and a classified National Reconnaissance Office spy satellite from Vandenberg Air Force Base in California on Wednesday after indications of elevated hydrogen concentrations around one of the launcher’s main engines. Three previous launch attempts were scrubbed by technical concerns and bad weather.