Vulcan Launch Window Opens for 40 Amazon Leo Satellites in Cape Canaveral, Florida – Live

United Launch Alliance opened its launch window Sunday, November 15, for a Vulcan rocket carrying 40 Amazon Leo broadband satellites from Cape Canaveral Space Force Station in Florida. The window runs from 12:11 to 12:40 p.m. EST. Liftoff was still awaiting confirmation at the time of publication.

The mission follows two postponed attempts. A disruption to the supply of gaseous nitrogen halted Friday’s countdown, and a communication issue between the rocket and ground equipment forced a second delay Saturday.

Amazon Leo’s largest satellite batch yet

The mission is Amazon Leo’s first aboard Vulcan and the first of 38 Vulcan launches Amazon has booked with United Launch Alliance. The 40 satellites are the largest batch Amazon Leo has put on a single rocket. They are headed for low Earth orbit as part of a network designed to deliver broadband to areas with limited internet access.