NASA unveils X-70 Fractal, a modular experimental research aircraft

What NASA has revealed

NASA has announced a new experimental aircraft called the X-70 Fractal. According to WIRED, the agency describes it as a research platform for advanced aeronautical tests, but has released only computer-generated images and a handful of technical specifications so far.

The disclosed details give some shape to the project. NASA says the X-70 is a crewed, subsonic aircraft rather than a spacecraft, so it is not built to leave the atmosphere. It can fly higher than commercial jets, reaching altitudes above 45,000 feet in the stratosphere.

Other published figures include a top speed of Mach 0.75, roughly 575 miles per hour, and a range of nearly 1,700 miles on a single flight. NASA expects the plane to make its first flight under the agency's banner within the next two years.

A modular testbed for new manoeuvres

NASA says the X-70 Fractal will support research into manoeuvre capabilities that have never been demonstrated in a crewed aircraft. The agency has not said which manoeuvres it plans to test.

The aircraft's defining feature is its modular design. Experimental equipment can be installed and replaced quickly, both inside the plane and on its exterior, which is why NASA calls it an experimental platform. It can carry up to one ton of experimental gear.

The plane will also have reconfigurable flight control systems. That should let researchers study different ways of steering an aircraft without building a separate airframe for every project.

A long tradition of X-planes

NASA is best known for space missions, but aeronautical research is central to its remit. The agency traces its roots to the National Advisory Committee for Aeronautics, founded in 1915 and folded into the newly created NASA in 1958.

Since then, NASA has built many experimental aircraft to test technologies from supersonic flight to new propulsion systems and aerodynamic designs. Not every prototype becomes an operational aircraft, but the findings feed into future commercial and military planes as well as space vehicles.

One recent example is the X-59, developed with Lockheed Martin to study ways of quieting the noise made by supersonic aircraft. The X-70 Fractal joins that lineage.

Strategic backing and what comes next

There is a strategic dimension to the work. WIRED reports that NASA's 2027 budget documents identify aeronautical research as a way of maintaining US technological leadership amid growing international competition. The agency also plans to work with the Department of Defense on new flight capabilities, though it has announced no military role for the X-70 itself.

At the unveiling, NASA Administrator Jared Isaacman said the project is one part of a new era for federal aeronautical research and indicated that more announcements are coming. The agency has not described those initiatives or said when it will share more about the X-70 Fractal.

For now, much about the aircraft remains undisclosed, including its design details and the specific research goals beyond the broad capabilities NASA has listed.