Global Combat Air Programme
Trinational UK/Italy/Japan program to develop a sixth-generation stealth fighter, merging the UK/Italy Tempest program with Japan's F-X; industrial joint venture 'Edgewing'; Canada joined as observer nation in July 2026.
Announced 2022-12-09 as a merger of the UK/Italy Tempest program and Japan's F-X program, formalized by trilateral treaty on 2023-12-14. Industrial partners BAE Systems (UK), Leonardo (Italy), and Mitsubishi Heavy Industries/Japan Aircraft Industrial Enhancement Co. (Japan) operate jointly as 'Edgewing' (named June 2025), each holding an equal one-third share; engine partners are Rolls-Royce, Avio Aero, and IHI Corporation. A $6.14B contract announced 2026-07-03 advanced the program into detailed design and development; Italy's parliament separately approved €8.77B in funding through 2037. Target in-service date is approximately 2035, replacing the Eurofighter Typhoon (UK/Italy) and Mitsubishi F-2 (Japan). Canada formally joined as the program's first observer nation on 2026-07-21, granting visibility into governance and engineering baselines without altering the founding nations' design authority or Canada's existing F-35A program.
Program detail
- Agency
- UK MOD / Italian Ministry of Defence / Japan Ministry of Defense
- Acronym
- GCAP
- Budget
- €8.77B (Italy, through 2037) + $6.14B July 2026 design/development contract
- Phase
- Detailed design and development
- Domain
- Sixth-generation combat aircraft
Participants2
Frequently asked
- What is Global Combat Air Programme?
- Announced 2022-12-09 as a merger of the UK/Italy Tempest program and Japan's F-X program, formalized by trilateral treaty on 2023-12-14. Industrial partners BAE Systems (UK), Leonardo (Italy), and Mitsubishi Heavy Industries/Japan Aircraft Industrial Enhancement Co. (Japan) operate jointly as 'Edgewing' (named June 2025), each holding an equal one-third share; engine partners are Rolls-Royce, Avio Aero, and IHI Corporation. A $6.14B contract announced 2026-07-03 advanced the program into detailed design and development; Italy's parliament separately approved €8.77B in funding through 2037. Target in-service date is approximately 2035, replacing the Eurofighter Typhoon (UK/Italy) and Mitsubishi F-2 (Japan). Canada formally joined as the program's first observer nation on 2026-07-21, granting visibility into governance and engineering baselines without altering the founding nations' design authority or Canada's existing F-35A program.
- Which agency runs Global Combat Air Programme?
- Global Combat Air Programme is run by UK MOD / Italian Ministry of Defence / Japan Ministry of Defense and is also known as GCAP.
- What is the budget for Global Combat Air Programme?
- Global Combat Air Programme has a budget of €8.77B (Italy, through 2037) + $6.14B July 2026 design/development contract, currently in its Detailed design and development phase.
Sources & citations3
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Canada formally joined GCAP as an observer on 2026-07-21, following a quadrilateral meeting of UK, Italian, Japanese, and Canadian defence ministers in London.
Government of Canada, Department of National Defence: Quadrilateral Joint Statement on Canada becoming an Observer to GCAPVerified2026-07-21 - 2
Canada has joined the Global Combat Air Programme (GCAP) as an observer, marking the first expansion beyond the founding members of Britain, Italy, and Japan.
Defense News: New British prime minister gains early defense win with Canada fighter jet tie-upVerified2026-07-21 - 3
A $6.14B contract pushes GCAP into advanced concept/detailed design and development.
Defense News: Multibillion-dollar contract secures major step forward for GCAP fighter jetVerified2026-07-03