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Falcon 9 Block 5 | Starlink Group 17-15

SpaceX · Falcon 9 Block 5 · Space Launch Complex 4E, Vandenberg SFB, CA, USA
SpaceX's 655th launch · 36th this year · humanity's 7,234th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Mar 20, 21:48 – Mar 21, 01:48 UTC
Flight preview
Starlink Group 17-15
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Communications · Low Earth Orbit (LEO)
Booster
- B1100 · flight 4 · Autonomous Spaceport Drone Ship @ Of Course I Still Love You · landed ✓ · last flew Falcon 9 Block 5 | Starlink Group 17-34 · zone record 209/217
Watch
- SpaceX Starlink Group 17-15 — The Space Devs
- Live: SpaceX Falcon 9 rocket launches 25 Starlink satellites launch from Vandenberg, California — Spaceflight Now
- Starlink Mission — SpaceX
Flight timeline
- T−38MGO for Prop Load
- T−35MProp Load
- T−35MStage 1 LOX Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MStartup
- T−1MTank Press
- T−45SGO for Launch
- T−3SIgnition
- P0DLiftoff
- T+1M12SMax-Q
- T+2M26SMECO
- T+2M30SStage 2 Separation
- T+2M37SSES-1
- T+2M59SFairing Separation
- T+5M59SEntry Burn Startup
- T+6M19SEntry Burn Shutdown
- T+7M51SStage 1 Landing Burn
- T+8M13SStage 1 Landing
- T+8M40SSECO-1
- T+53M2SSES-2
- T+53M3SSECO-2
- T+1H1M54SStarlink Deployment
Updates
Launch success.
Cosmic_Penguin · 3/20/2026 · source
Liftoff.
Cosmic_Penguin · 3/20/2026 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 3/20/2026 · source
Now targeting Mar 20 at 21:51 UTC
Cosmic_Penguin · 3/20/2026 · source
Now targeting Mar 20 at 21:48 UTC
Cosmic_Penguin · 3/10/2026 · source
Now targeting Mar 20 at 14:00 UTC
Cosmic_Penguin · 3/9/2026 · source
Now targeting Mar 19 at 14:00 UTC
Cosmic_Penguin · 3/8/2026 · source
GO for launch.
Cosmic_Penguin · 3/6/2026 · source
Added launch.
Cosmic_Penguin · 3/6/2026 · source
Pad — Space Launch Complex 4E
Local pad time: Mar 20, 2:51 PM PDT
283 launches from this pad · 899 from Vandenberg SFB, CA, USA
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