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.
Mission Reports
Stacking complete for SLS boosters
The twin 177-foot-tall solid-fueled boosters for the first flight of NASA’s Space Launch System have been stacked inside the Vehicle Assembly Building at the Kennedy Space Center to await arrival of the rocket’s cryogenic core stage, which is set for a second engine test on a firing stand in Mississippi later this month.
