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Hydrazine Test
Public domain

Hydrazine Test

NASA / AFRC · 2022-02-07 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

Maintainers perform a hydrazine safety check on the agency’s quiet supersonic X-59 aircraft at U.S. Air Force Plant 42 in Palmdale, California, on Aug. 18, 2025. Hydrazine is a highly toxic chemical, but it serves as a critical backup to restart the engine in flight, if necessary, and is one of several safety features being validated ahead of the aircraft’s first flight.

NASA Image and Video Library’s own description
Subjects
NASAX-59Low Boom Flight DemonstratorQuesstQuestGround CrewSupersonicMachSonic BoomQuiet Supersonic TechnologyX-planesSafety
Credit lineHydrazine Test. NASA/AFRC, 2022-02-07. Public domain. ID: P25-056-38.
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