Video: Delta 4 lifts off

A Northrop Grumman Antares rocket rolled out to its launch pad on Virginia’s Eastern Shore early Tuesday, setting the stage for liftoff Saturday on a resupply flight to the International Space Station that will debut an upgraded launcher and Cygnus cargo vehicle capable of hauling heavier payloads into orbit.

Watch live views from the Kennedy Space Center’s launch pad 39A as SpaceX prepares for the first flight of the Block 5 Falcon 9 rocket. The rocket is scheduled to launch the Bangabandhu 1 communications satellite no earlier than 10 May.

A Spanish Earth observation spacecraft and a French research satellite to probe luminous phenomena above thunderstorms are packaged inside the nose cone of an Italian-built Vega rocket for launch Monday night from French Guiana.