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SpaceX Launches Space Force Spaceplane X-37B

The eighth X-37B mission will test high-bandwidth laser communications and advanced quantum inertial sensors to enhance U.S. Space Force's space technology capabilities.

  • SpaceX is set to send the Boeing-manufactured X-37B spaceplane into orbit on its eighth USSF-36 mission, with liftoff scheduled for August 21 at 11:50 p.m. EDT from Kennedy Space Center.
  • The launch follows seven prior X-37B missions accumulating 4,208 days in orbit and aims to demonstrate quantum inertial sensing for navigation beyond GPS.
  • The mission will include a laser communications experiment to advance Space Force satellite network resilience alongside improvements to power systems and thermal protection.
  • SpaceX will reuse a Falcon 9 booster for its sixth flight, landing it at Landing Zone 2, while residents near launch may hear sonic booms as warned in an advisory.
  • A backup launch opportunity exists on August 22 if needed, and the mission's technologies could enhance space operational resilience and navigation in GPS-denied environments.
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SpaceX prepares for 8th flight of U.S. Space Force's Orbital Test Vehicle

The space company is targeting 11:50 p.m. on Aug. 21 for the Falcon 9 launch.

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Spaceflight Now broke the news in on Wednesday, August 20, 2025.
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