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Today, civil supersonic flight is a distant memory, a feat that left more questions than certainties after the end of the concorde. The industry focused on efficiency and autonomy, and the dream of crossing continents faster was shelved, in part because the sonic boom noise made it a limited and controversial privilege. Today that dream appears again, not with grandiose promises, but with a very specific objective: to demonstrate that you can fly faster than sound without shaking those on the ground. That return is no longer an intention expressed in documents or a static prototype. On October 28, 2025, the X-59 left the ground for the first time since PalmdaleCalifornia, and landed shortly after at NASA’s Armstrong Center in Edwards. The output was deliberately contained, intended to validate systems and basic behavior in flight. After landing, Lockheed Martin assured that “the X-59 performed exactly as planned,” a sign that the project is entering the phase in which tests replace mockups and promises. The project that aspires to change half a century of air rules The X-59 is a technological demonstrator developed by NASA together with Lockheed Martin to try to solve the biggest obstacle to civil supersonic flight: noise. Instead of the boom that has limited these aircraft for decades, its design seeks produce a much softer “hit”. Its long and stylized fuselage, the cabin located in the middle of the fuselage and a 4K external vision system instead of a front window They are essential pieces of that objective. It does not aspire to be a commercial aircraft, but rather to generate the data that could allow it one day. The first flight was cautious by design. NASA had anticipated that the initial outing would focus on testing systems integration, stability and communications, without yet entering high speeds or extreme altitudes. According to planning, it was a circuit at low altitude and low speed to validate the essentials: that the aircraft responds, that the telemetry flows and that the controls behave as expected. Supersonic will come later, when the program advances to the next phase of testing. The aircraft was officially presented in January 2024 at the Skunk Works facilities The road to that first flight has been long. NASA launched the project in 2016 and initially set takeoff for 2020, a deadline that was moved after facing technical challenges identified in 2023. The aircraft was officially presented in January 2024 at the Skunk Works facilities and, throughout 2025, completed engine tests, integration checks and running rehearsals. On July 10 of that year, Test pilot Nils Larson performed the first low-speed taxi, a sign that the ground phase was coming to an end. From this point, the program enters progressive mode. First, additional verification flights will be completed and then the speed and altitude will be increased until reaching the planned supersonic regime, with a ceiling of Mach 1.4 according to the official roadmap. NASA and Lockheed Martin will collect aerodynamic and acoustic data during this stage at the Edwards base. Later, the plane will fly over inhabited areas to evaluate the public’s reaction, a key piece to convey results to regulators. Beyond technology, the supersonic challenge involves regulation. In the United States, passenger flights at more than Mach 1 over land They have been banned since 1973when Congress imposed the measure due to the acoustic impact. Other countries apply similar restrictions. The Quesst program attempts to provide scientific evidence that allows these rules to be reconsidered, not based on hypotheses, but on verifiable measurements. If NASA can demonstrate that the noise of the X-59 is tolerable, civil aviation could recover some of the ground lost after Concorde. It is advisable not to confuse the X-59 with a prototype of a future passenger plane. It is, above all, a test bed. It will not transport civilians nor will it go on sale: its function is to generate evidence on the feasibility of silent supersonic flight. NASA intends for acoustic and social data to serve as a reference to adjust regulation. From there, if the industry considers that the scenario is favorable, commercial designs inspired by this experiment could emerge, but that horizon is still far away. From now on, each flight will provide information that will allow us to know if the X-59 bet has a future beyond investigation. The key will not be in the maximum speed, but in the sound footprint and the social response generated by the essays about real communities. Only then will regulators decide whether it is time to review rules that have remained largely unchanged since the 1970s. The project does not promise a new Concorde, but it does promise the possibility of opening a route that until now seemed closed. Images | Lockheed Martin (1, 2) In Xataka | The Comac C919 symbolizes China’s aerial dream: the trade war threatens to clip its wings in mid-takeoff