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SpaceX

Falcon 9 Block 5 | USSF-266

Go for Launch
Falcon 9 Block 5 | USSF-266
Watch coverage

Published coverage links

USSF-266 MissionOpen source

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Mission details

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.

Open the full mission →
SpaceX Launch Library

Planned timeline

Planned timings relative to the target. These steps do not indicate live progress.

  1. T−00:38:00

    GO for Prop Load

  2. T−00:35:00

    Prop Load

  3. T−00:35:00

    Stage 1 LOX Load

  4. T−00:16:00

    Stage 2 LOX Load

  5. T−00:07:00

    Engine Chill

  6. T−00:01:00

    Startup

See all 19 published steps ↓
  1. T−00:01:00

    Tank Press

  2. T−00:00:45

    GO for Launch

  3. T−00:00:03

    Ignition

  4. T+00:00:00

    Liftoff

  5. T+00:01:07

    Max-Q

  6. T+00:02:26

    MECO

  7. T+00:02:29

    Stage 2 Separation

  8. T+00:02:36

    SES-1

  9. T+00:02:56

    Fairing Separation

  10. T+00:06:03

    Entry Burn Startup

  11. T+00:06:27

    Entry Burn Shutdown

  12. T+00:08:01

    Stage 1 Landing Burn

  13. T+00:08:23

    Stage 1 Landing

Latest recorded changes

All recorded updates →

Launch targetTue, 17 Nov 2026 16:58:00 GMT Wed, 18 Nov 2026 16:49:00 GMT

Launch windowTue, 17 Nov 2026 16:58:00 GMT – Tue, 17 Nov 2026 20:58:00 GMT Wed, 18 Nov 2026 16:49:00 GMT – Wed, 18 Nov 2026 20:49:00 GMT

Launch targetMon, 16 Nov 2026 17:07:00 GMT Tue, 17 Nov 2026 16:58:00 GMT

Launch windowMon, 16 Nov 2026 17:07:00 GMT – Mon, 16 Nov 2026 21:07:00 GMT Tue, 17 Nov 2026 16:58:00 GMT – Tue, 17 Nov 2026 20:58:00 GMT