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Safety Reviews Delay Dream Chaser’s Inaugural Flight Past 2025

NASA’s ISS program manager warns that incomplete safety reviews left the spaceplane without the software approval needed for a 2025 launch.

© Sierra Space
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Overview

  • Dana Weigel indicated that critical integrated safety assessments remain unfinished and that final software certifications are still pending.
  • Sierra Space has begun revising its project schedule as it incorporates safety review outcomes and prepares for remaining qualification steps.
  • United Launch Alliance’s Vulcan Centaur launcher suffered an October 2024 booster anomaly and is still awaiting U.S. Space Force certification.
  • The Tenacity spaceplane has completed extensive environmental testing at NASA’s Armstrong and Kennedy centers, including extreme vibration and thermal-vacuum trials.
  • Dream Chaser features foldable wings for runway landings and a detachable Shooting Star module carrying up to 7,000 pounds of cargo and reentry waste disposal.