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SpaceX Set to Launch 21 Military Satellites on September 10

9/10/2025

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Story summary
  • SpaceX plans to launch its Tranche 1 mission on September 10, deploying 21 military satellites from Vandenberg Space Force Base.
  • The launch window opens at 4:58 a.m. PT, with liftoff targeted for 7:12 a.m. PT.
  • Residents in California and Arizona can view the launch from recommended locations.
  • Sonic booms may occur in nearby counties; the Falcon 9 booster will land on a drone ship.
  • SpaceX is pausing Starlink operations in California to prioritize this military mission.
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