Japanese F-3 to be jointly developed with the UK
A concept of the F-3, also known as the F-X, currently under development for the JASDF. (Japanese MoD)
The next fighter for the Japan Air Self-Defense Force (JASDF), the F-3, will be jointly developed with the UK, according to reports in Japan on 14 May.
F-3 development should have proceeded jointly via Mitsubishi Heavy Industries (MHI) and Lockheed Martin, with the latter supporting integration of various systems.
However, technical assistance by Lockheed Martin is proving challenging to coordinate due to restrictions on disclosing classified information.
Instead, MHI and BAE Systems now plan to develop the airframe and EW system jointly, and IHI and Rolls-Royce will jointly develop the F-3’s engine. A formal agreement on such joint development
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Air Warfare
-
The 2020s: a decade of UAV spending growth
Total annual drone spending has increased nearly sixfold since the start of the decade, from $2.9 billion in 2020 to $16.3 billion in 2028, with Europe leading the rise.
-
July drone digest: Sovereign production takes centre stage at Farnborough
Farnborough International Airshow (FIA) 2026 revealed the growing scale of the UK’s uncrewed ambitions, with companies showcasing new CCA, autonomous wingmen and surveillance drones, while sovereign production emerged as a key factor for multiple programmes.
-
July air forces review: Farnborough steals the headlines as programmes develop
The biannual Farnborough International Airshow 2026 was the backdrop in July for scores of deals, partnerships and announcements, including developments in the multinational next-generation Global Combat Air Programme and the UK’s $486 million trainer aircraft requirement.
-
FIA 2026: Bell highlights MOSA-driven growth path for MV-75 Cheyenne
Bell Flight’s modular open-systems approach for the US Army’s MV-75 Cheyenne could open doors for international allies and suppliers once locked out by closed rotorcraft architectures.
-
Maximise survivability with advanced electronic warfare (video)
BAE Systems’ all-digital EW delivers 360-degree threat awareness in contested environments, boosts survivability, and cuts lifecycle costs.