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Vulcan: SDA Tranche 1 Tracking Layer B

expected 2026

expected 2026

—hype

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    Vulcan: SDA Tranche 1 Tracking Layer B is expected 2026. The exact day has not been announced yet.

    United Launch Alliance is preparing to launch SDA Tranche 1 Tracking Layer B on a Vulcan from 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 is expected in 2026 and no firm date has been announced yet.

    The source has announced a date range. An exact day has not been confirmed.

    Where
    United States of AmericaVandenberg SFB, CA, USA

    Date source

    Launch Library 2

    Last verified Sep 16, 2026

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