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United Launch Alliance • Vulcan • Space Launch Complex 3E (CA)
Tranche 1 Tracking Layer E 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.
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Linked via Spaceflight News API (SNAPI).
Article"It is imperative to rapidly deliver critical space capabilities."
ArticleThe U.S. Space Force assigned 21 rocket launches to SpaceX and United Launch Alliance, worth about $2.5 billion in total, the military branch told CNBC.
ArticleThe Space Systems Command announced 21 launch missions have been assigned to United Launch Alliance and SpaceX as part of the National Security Space Launch...
Provider, rocket, pad, and booster history tied to this launch.
Tranche 1 Tracking Layer E 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.

Open the launch pad in Google Maps satellite mode using the pad coordinates.
Tranche 1 Tracking Layer E 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.
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.
Payload and object details are usually published 1–2 days after launch.