United Launch Alliance on Monday launched an Atlas V rocket carrying satellites for Amazon's Internet constellation. The Atlas V rocket launched from the Florida Cape Canaveral Space Force Station on Monday,

The rocket operator released a time-lapse video on Sunday showing the Atlas V rocket moving from the Vehicle Assembly Building to the launchpad at Cape Canaveral in Florida. ULA chief Tory Bruno noted that while the rocket appears to hurtle to its destination, the vehicle carrying it is actually moving at a mere 3 mph.

Amazon has contracted with ULA to launch 46 Kuiper flights, which will deploy the majority of the former’s satellite constellation. Of those, 38 will use ULA’s new super-heavy Vulcan platform, which will allow larger batches of satellites to be put into orbit.