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United Launch AllianceTo Be DeterminedGovernment/Top SecretVulcan
NET 2026Space Launch Complex 3E, Vandenberg SFB, CA, USA
Tranche 1 Tracking Layer B is one of five missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Tracking Layer constellation, which will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.
Launch Provider
Commercial · United States of America · Founded 2006 · CEO Mark Peller
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
Launches
175
Successful
175
100%
Upcoming
72
scheduled
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NET June.
Cosmic_Penguin
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NET 2026.
Cosmic_Penguin
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Adding launch
Jay
Diameter
5.4m
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A notification before liftoff, the countdown on your home screen and watch, and the webcast when it starts.
