In flight Falcon 9 Block 5 | USSF-481 Watch
Photo: Bill Ingalls · Public domain (US government)

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USSF-385

Success Launch Successful SpaceX, Falcon 9 Block 5

Or open it on YouTube

Mission: USSF-385

Government/Top Secret · Low Earth Orbit

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.

Customers: United States Space Force

Where to watch

Official Webcast USSF-385 Mission SpaceX · English Unofficial Re-stream SpaceX USSF-385 The Space Devs · English Unofficial Webcast SpaceX Falcon 9 rocket launches secretive U.S. Space Force mission from Vandenberg, California Spaceflight Now · English

Timeline

  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 Tank Press
  7. T−00:01:00 Startup
  8. T−00:00:45 GO for Launch
  9. T−00:00:03 Ignition
  10. T+00:00:00 Liftoff
  11. T+00:01:12 Max-Q
  12. T+00:02:26 MECO
  13. T+00:02:30 Stage 2 Separation
  14. T+00:02:36 SES-1
  15. T+00:02:56 Fairing Separation
  16. T+00:06:04 Entry Burn Startup
  17. T+00:06:26 Entry Burn Shutdown
  18. T+00:08:01 Stage 1 Landing Burn
  19. T+00:08:23 Stage 1 Landing

Updates

  • Launch success. source
  • Liftoff! source
  • Official Webcast by SpaceX has started source
  • Now targeting Sep 26 at 14:00 UTC source
  • Now targeting Sep 26 at 12:56 UTC source
  • GO for launch. source
  • Moved up to NET September 26. source
  • Added launch. source