SpaceTentative

Vulcan: SDA Tranche 2 Transport Layer B

expected 2026

expected 2026

—hype

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    Vulcan: SDA Tranche 2 Transport Layer B is expected 2026. The exact day has not been announced yet.

    United Launch Alliance is preparing to launch SDA Tranche 2 Transport Layer B on a Vulcan from Vandenberg SFB, CA, USA. Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer. 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 18, 2026

    Sources and attributions

    This is a public listing. If the date or details look wrong, tell us.

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