NASA's "quiet" new supersonic jet, the X-59, just passed a key engine test, bringing it closer to its first flight later this year.

NASA's X-59 'quiet' supersonic jet aces key 'cruise control' test ahead of 1st flight

Source: space
Source Link: https://www.space.com/space-exploration/quesst/nasas-x-59-quiet-supersonic-jet-aces-key-cruise-control-test-ahead-of-1st-flight