Space

Falcon 9 Block 5: USSF-259

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    Event time shown in UTC. The countdown follows the same moment worldwide.

    Schedule updated. Previously Thursday, 17 September 2026.

    About this moment

    Falcon 9 Block 5: USSF-259 is today, Thursday, 17 September 2026.

    SpaceX is preparing to launch USSF-259 on a Falcon 9 Block 5 from Vandenberg SFB, CA, USA. USSF-259 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of ascent rocket stage drop zones being fits with previous SDA Transport Layer launches. Liftoff is targeted for 17 September 2026 at 01:07 UTC. The launch is go for that time.

    Where
    United States of AmericaVandenberg SFB, CA, USA
    Explore related topics
    falcon-9launchpolar-orbitspacex

    Date source

    Launch Library 2

    Last verified Sep 16, 2026

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