Live coverage of the countdown and launch of an Ariane 5 rocket with the Thor 7 and Sicral 2 communications satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Mission Reports
James Webb Space Telescope fully assembled in California
Teams working in Northrop Grumman’s spacecraft factory in Southern California have connected the spacecraft and science modules of the James Webb Space Telescope for the first time, a major milestone as engineers prepare to verify a fix to tears in the observatory’s sunshield, and begin launch vibration and acoustic testing in the coming months.
