BAE Systems reveals design of UK’s next-generation fighter demonstrator

BAE Systems, in partnership with Rolls-Royce, MBDA UK and the UK Ministry of Defence, has revealed the design of its next-generation Combat Air Flying Demonstrator, a supersonic manned aircraft that is now two-thirds structurally complete and expected to fly within three years.

This marks the first crewed combat aircraft demonstrator developed in the UK in over 40 years. The aircraft’s main structure, wings, and tail are being assembled using cutting-edge digital and robotic manufacturing at BAE’s Lancashire facilities.

Designed as part of the Global Combat Air Programme (GCAP), the demonstrator plays a critical role in maturing stealth technologies and testing next-gen capabilities before entering full-scale production.

BAE Systems confirmed that over 300 hours of simulated flights have already been completed by test pilots from the RAF, Rolls-Royce, and the company itself. These digital simulations allow early testing of flight controls, system integration and mission profiles — all before the aircraft leaves the ground.

“By combining 3D printing, cobotics, and model-based engineering, we’re reshaping how fighter jets are built,” said Tony Godbold, director of the Future Combat Air Systems program at BAE. “This demonstrator is not just a prototype — it’s a foundation for the aircraft of the 2030s.”

Fourth partner

The future sixth-generation fighter, known as Tempest in the UK, is being developed by a trilateral partnership between the UK, Italy, and Japan, with an in-service target date of 2035.

However, despite long-standing speculation, the likelihood of adding a fourth partner, such as Saudi Arabia, is diminishing, according to Herman Claesen, managing director of BAE’s Future Combat Air System.

“Given the pace of progress, it’s now quite challenging for a new nation to join as a core member,” he told Reuters.

While other countries have expressed interest, any addition would be subject to approval by the founding governments and could delay timelines.

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