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Falcon 9 Block 5: USSF-366

USSF-366 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 rocket stage drop zones being exact fits with previous Starlink Group 15 launches.

Sunday, 16 August 202601:50 UTC
Falcon 9 Block 5: USSF-366

Mission Data

SpaceX
🇺🇸SpaceXEst. 2002
Launch VehicleFalcon 9 Block 5
Vehicle FamilyFalcon
Vehicle Record644 of 645 launches (99.8%)
Provider TypeCommercial
Agency Record729 successes / 15 failures (98%)
Success Streak229 consecutive
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 4E
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#193
Agency Launches This Year#99
Launches From This Pad307
Launches From This Site923
Status Note

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

About Falcon 9 Block 5

Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.

Launch updates

  1. Launch success.

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  2. Spacecraft separation.

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  3. Liftoff.

  4. Unofficial Re-stream by SPACE AFFAIRS has started

  5. Now targeting Aug 16 at 01:50 UTC

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  6. Now targeting Aug 15 at 23:47 UTC

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  7. Now targeting Aug 15 at 21:54 UTC

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  8. GO for launch.

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  9. Added launch per NOTAMs; Payload identities very uncertain.

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Launch Site

Space Launch Complex 4E · 34.6320°N 120.6110°W

Launch data from Launch Library 2 by The Space Devs.