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Falcon 9 Block 5 | USSF-366
SpaceXLaunch Successful

USSF-366

Falcon 9 Block 5

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Historical mission record

This page records Falcon 9 Block 5 | USSF-366 and its reported outcome: Launch Successful. The date above is a historical record.

Source record updated . This is a source update, not a confirmed launch time.

Check the source: SpaceX ↗ · Launch Library ↗ · Flight Club ↗

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Mission status
Launch Successful

Status reported by the mission data provider.

LAUNCH SITEVandenberg SFB, CA, USA

Mission

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.

Launch vehicle
Falcon 9 Block 5
Mission type
Government/Top Secret
Destination orbit
Low Earth Orbit
Launch pad
Space Launch Complex 4E
Provider
SpaceX
Recovery
Autonomous Spaceport Drone Ship, The Falcon 9 first stage B1088 has landed on ASDS OCISLY after its 18th flight. +1

The vehicle

Published configuration and flight history.

Falcon 9 Block 5
SpaceX
Launch vehicle

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.

Height
70 m
Diameter
3.65 m
Stages
2
Recorded launches
630
First flight
2018-05-11
B1088
SpaceX
Core

B1088

Flight 18ReusedLanding successful
Recovery
Of Course I Still Love You
Landing method
Autonomous Spaceport Drone Ship

Recorded timing

This is a mission record, not an upcoming calendar appointment.

4h windowPublished target
WINDOW OPENS
WINDOW CLOSES

Target ·

The target marker shows its position within the published window. The schedule may change before launch.

Flight timeline

Planned sequence, not live telemetry. Times are relative to the launch target.

  1. T−00:38:00

    GO for Prop Load

  2. T−00:35:00

    Stage 1 LOX Load

  3. T−00:35:00

    Prop Load

  4. T−00:16:00

    Stage 2 LOX Load

  5. T−00:07:00

    Engine Chill

  6. T−00:01:00

    Startup

Show the full sequence (19 events)
  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+00:02:25

    MECO

  7. T+00:02:29

    Stage 2 Separation

  8. T+00:02:36

    SES-1

  9. T+00:02:58

    Fairing Separation

  10. T+00:06:01

    Entry Burn Startup

  11. T+00:06:25

    Entry Burn Shutdown

  12. T+00:07:58

    Stage 1 Landing Burn

  13. T+00:08:20

    Stage 1 Landing

Launch site & orbit

Vandenberg SFB, CA, USA

The mission in perspective

Launch site & orbit

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Understand this orbit
NASA Blue Marble map of Earth's continents and oceans
Representative orbit · accelerated illustrationNo live tracking or simulated ascent. NASA Blue Marble.

Coverage & sources

Links supplied by the mission data provider.
Coverage and times may change.

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