NASA has received two retired F-15 jets from the U.S. Air Force to support research flights of its new X-59 'quiet' supersonic aircraft.

NASA's plan is to modify one of the F-15 jets with new equipment and software, so that it can be specialized for research.

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A small fleet of modified Eagles continues to provide valuable service to NASA even as the Air Force counts down to fully divesting the jets.

Retired U.S. Air Force F-15 Eagles will support NASA's X-59 experimental aircraft research at Armstrong Flight Research Center, acting as chase planes for monitoring and data collection. The X-59 is ...

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As NASA’s X-59 quiet supersonic research aircraft continues a series of flight tests over the California high desert in 2026, ...

American space agency NASA released new images of the first flight of the X-59, but also details on what's next for the program.

The two Air Force F-15 aircraft will support flight testing and data collection for NASA's X-59 quiet supersonic research ...

Two retired US Air Force F-15 Eagle twin-engine all-weather fighter jets have been given a new role supporting the ...