Time-lapse video: The Falcon Heavy goes vertical again

The Starlink 11-15 mission will add another 28 broadband internet satellites to the company’s low Earth orbit constellation. SpaceX is targeting liftoff from pad 4E at Vandenberg Space Force Base at 9:58 a.m. PST (12:58 p.m. EST / 1758 UTC).

Mike Laidley leads development of Orbital ATK’s Next Generation Launch system, a rocket the commercial space company hopes will provide a foothold in the lucrative market to launch U.S. military satellites, a business currently dominated by SpaceX and United Launch Alliance.

SpaceX launched a Falcon 9 rocket Wednesday at 9:06 a.m. EST (1406 GMT) from Cape Canaveral with 60 satellites for the company’s Starlink Internet network. Previous attempts to launch the mission were stymied by strong upper level winds and rough seas in the Falcon 9’s downrange recovery area northeast of Cape Canaveral.