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United Launch Alliance launched one of its dwindling supply of Atlas V rockets this morning from Launch Complex 41 at Cape Canaveral Space Force Station. Liftoff was at 08:09 AM ET into “Chamber of Commerce” blue skies.

After today’s mission, there are only eleven Atlas V vehicles remaining, with six devoted to Boeing’s Starliner program, four for Project Kuiper, and one for a Viasat mission.

Today’s payload was 27 operational broadband satellites for Amazon’s Project Kuiper constellation, bringing the total number of satellites launched by ULA to 81, with more to come later. Atlas V flew true and delivered the satellites to orbit exactly as planned.

The Atlas V 551 rocket, used for this launch, is among ULA’s more powerful configurations. It includes five solid rocket boosters and a medium payload fairing. The mission is part of a deployment strategy that includes multiple launch providers and vehicle types, including upcoming launches on ULA’s Vulcan Centaur, SpaceX Falcon 9, and the European Ariane 6.

ULA said today that their next launch is ViaSat-3, planned to launch from Space Launch Complex-41 at Cape Canaveral Space Force Station. No launch date was given.

Payload

The Kuiper project is Amazon’s initiative to provide broadband internet service through a constellation of satellites. Today’s launch is the fifth of a series of launches of operational Kuiper satellites that aim to meet the conditions set by the Federal Communications Commission, which require half of the planned 3,236 satellites to be in orbit by mid-2026. The full network is expected to be completed by mid-2029, with rudimentary service set to start as soon as late this year.