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X-59 Enters New Phase of Supersonic Flight Testing

March 5, 2026

2 min read

Key Takeaways

NASA's X-59 enters new phase of supersonic flight testing.
Aircraft prepares for envelope expansion tests.
Built by Lockheed Martin, the X-59 aims for quiet supersonic flight.

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Strategic Implications

The X-59's advancement may indicate significant progress in quiet supersonic technology, which could pave the way for future commercial supersonic aircraft. This development suggests a potential reduction in sonic boom disturbances, making supersonic flight more feasible over land.

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What Happened

NASA Advances Quiet Supersonic Research With Lockheed Martin

NASA’s X-59 quiet supersonic research aircraft has entered a new phase of supersonic flight testing, with preparations underway for envelope expansion tests. The Lockheed Martin-built aircraft aims to reduce sonic boom disturbances, making supersonic flight more feasible over land. According to Aviation Week, the X-59 has fired up its engine for the first time at Lockheed Martin’s Skunk Works facility in Palmdale, CA, marking a significant milestone in the program. This development was first reported by Aviation Week.

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