A United Launch Alliance Atlas 5 551 rocket flew away from Space Launch Complex 41 at Cape Canaveral Space Force Station to begin the Leo Atlas 6 mission for Amazon Leo. Image: Adam Bernstein/Spaceflight Now

Update April 27, 9:30 p.m. EDT (0130 UTC): ULA confirmed deployment of the 29 Amazon Leo satellites.

United Launch Alliance completed its second Atlas 5 rocket launch of the month, marking the company’s fastest turnaround at Space Launch Complex 41 to date. It beats the previous record by nearly three days.

On board the Atlas 5 rocket was a batch of 29 Amazon Leo satellites. This will be ULA’s sixth flight delivering production versions of the broadband internet satellites to orbit and its seventh overall, including the two demo satellites launched on the Protoflight mission in October 2023.

Liftoff of the mission, dubbed Amazon Leo 6 by United Launch Alliance and Leo Atlas 6 (LA-06) by Amazon Leo, happened at 8:53:30 p.m. EDT (0053:30 UTC). The rocket flew on a north-easterly trajectory upon leaving Cape Canaveral Space Force Station.