Live coverage of the countdown and launch of an Ariane 5 rocket with the Intelsat 33e and Intelsat 36 communications satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Delta 4
First of up to seven ULA launches this year set for Saturday
The first of up to seven missions planned on United Launch Alliance’s Atlas and Delta rocket fleets this year is scheduled for Saturday from California’s Central Coast, when a Delta 4-Heavy is set for blastoff on a spy satellite delivery flight delayed a month to troubleshoot a hydrogen fuel leak in a booster.