Live coverage of the countdown and launch of an H-2B rocket with Japan’s sixth H-2 Transfer Vehicle on a resupply mission to the International Space Station. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Mission Reports
SpaceX about one month away from first commercial crew test flight
SpaceX founder Elon Musk said this weekend that the company is about one month away from launching the first Crew Dragon spacecraft on an unpiloted test flight to the International Space Station, a precursor to a demonstration launch with astronauts later this year. He also warned that early test flights of the commercial crew capsule, built under contract to NASA, will be “especially dangerous.”
Mission Reports
Three station fliers set for return to Earth
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.