"NASA’s X-59 breaks sound barrier in first supersonic flight"

https://aerospaceamerica.aiaa.org/nasas-x-59-breaks-sound-barrier-in-first-supersonic-flight/

"NASA’s X-59 demonstrator on Friday exceeded Mach 1 for the first time, marking the next step in the agency’s effort to demonstrate a quieter form of supersonic flight" #X59