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Launches/SDA Tranche 1 Tracking Layer B

SDA Tranche 1 Tracking Layer B

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United Launch Alliance · Vandenberg SFB, United States · 2026-12-31 · 00:00:00 UTC

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T- --:--:--
Lift-off
Customers
Space Development Agency

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Vehicle
Vulcan
Orbit
PO
Crewed
No
Mission
Government/Top Secret
Operator
United Launch Alliance

Mission Details

PayloadSDA Tranche 1 Tracking Layer B
Mission typeGovernment/Top Secret
Launch siteVandenberg SFB · Space Launch Complex 3E
OrbitPO
Operator agencyUnited Launch Alliance
CountryUnited States
Date2026-12-31

Notes & Timeline

No event timeline recorded for this launch yet.

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.

Related Entities

Data Sources for This Record

Launch record
LL2 API · updated every 6h
Mission details
Wikipedia · verified quarterly
Cross-reference IDs
Wikidata · verified quarterly