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SpaceX Postpones 13th Starship Test Flight to Friday

The 90-minute launch window opens at 6:45 p.m. EDT as SpaceX replaces or refurbishes first-stage engines after the scrubbed attempt.

  • SpaceX is targeting Thursday, July 23, for the 13th test flight of Starship, with a 90-minute launch window opening at 6:45 p.m. EDT at Starbase in South Texas. The 408-foot-tall vehicle is designed to support moon and Mars missions.
  • Last Thursday's attempt ended in an automatic abort when some of the 33 first-stage Raptor engines failed to ignite. CEO Elon Musk confirmed that two Raptor 3 engines were replaced on the Super Heavy booster to prepare for Thursday's retry.
  • This mission will carry 20 Starlink V3 internet satellites and test heat shield upgrades, including load sensing tiles to measure dynamic pressure. Modified tiles attached to aft flaps will gather flight data on new attachment mechanisms during high-altitude stress.
  • Success is critical for NASA, as Starship serves as the human lander for the Artemis program. Analyst Kremer noted that SpaceX is "under the gun to produce" results, making this test essential to prove vehicle reliability.
  • Beyond this suborbital test, SpaceX plans to conduct its first orbital flight—the 14th test—before expanding operations to Florida. These milestones are essential steps toward realizing long-term goals for Mars missions and lunar landings.
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The company has explained that postponing 24 hours the launch will have an "ideal visibility" of ship protection. More information: SpaceX aborts the launch of the giant Starship rocket at the last moment: "Some engines did not start"

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Space broke the news in New York, United States on Monday, July 20, 2026.
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