The Ministry of Defence has confirmed continued progress on the Future Combat Air System (FCAS), with over £2 billion invested to date and formal programme structures now in place to deliver the next-generation fighter aircraft under the trilateral Global Combat Air Programme (GCAP) with Japan and Italy.

In a written response to James Cartlidge MP, Defence Minister Maria Eagle noted that the UK “has invested over £2 billion already in FCAS/GCAP and the associated Team Tempest research and development programme.” She also confirmed that the Future Combat Air System’s Outline Business Case 1 (OBC1) was submitted in March 2021, following the Strategic Outline Case in December 2018.

The FCAS initiative encompasses a broader ‘system of systems’ to ensure future air superiority, while GCAP is delivering the central crewed platform — a sixth-generation combat aircraft intended to replace the Eurofighter Typhoon in the mid-2030s.

Significant milestones in the programme’s governance have been reached in recent months. A new trilateral body, the GCAP International Government Organisation (GIGO), has been established to coordinate timelines and strategic goals across the UK, Japan, and Italy.

Meanwhile, industry partners BAE Systems, Leonardo, and Japan Aircraft Industrial Enhancement Co Ltd (JAIEC) have agreed to form a new joint venture company to oversee development of the aircraft. Both the GIGO and the new industrial headquarters will be based in Reading, placing the UK at the heart of programme delivery.

“Progress continues to be made on the Future Combat Air System (FCAS). The core platform, that will sit at its heart, is being delivered through the Global Combat Air Programme (GCAP),” said Eagle.

The sixth-generation fighter will incorporate advanced stealth technologies, cutting-edge sensors, and the ability to team with autonomous systems. Alongside the aircraft, the broader FCAS framework will integrate weapons, AI, cloud-based command systems, and supporting assets to create a networked combat capability.

24 COMMENTS

  1. Exciting times – recently the RAF suggested the requirements included weapon bays with twice the capacity of the F-35A, and enough internal fuel to cross the Atlantic. So, if Argentina gets unruly, Black Buck II is officially on the cards 🙂

    Vertical stabilisers are interesting, given that the Chinese have dropped them, and the Americans seem to be going the same way on their advanced new air superiority fighters. That being said, the design isn’t finalised, so the GCAP fighter might lose them as well. If not, I assume that all-aspect stealth isn’t as necessary as some are suggesting for a competitive air superiority fighter into the 2030s.

    • I think the decision to omit the vertical stabiliser will be as much about high speed as manuverability. Very difficult to have super sonic flight in a tailless design.

      I also think the USAF probably looked at what LM was pitching and thought it was unaffordable.

      They did the same with the CCA Level 1 which is why Anduril and General Atomics were selected. LM pitched a Uber expensive design and the USAF wanted cheap.

      The USAF is short on funds and it wanted NGAD, Sentinel and B21.

      Something had to give.

    • I question Stealth as being a permanent requirement as the more wide spread the technique is the more likely technology will be able to detect them.

      • There’s more chance of england winning the next world cup than stealth design disappearing any time soon, probably not in our lifetime. There is no way we will see aircraft design roll back so tech the best part of a century old and dirt cheap which anyone can get hold of can detect the latest warplanes. If something totally new comes along it’s going to be expensive and of limited availability, potentially with high power demands not suited to small vehicles, radar will still have a place for the foreseeable future.

      • Low/Very Low Observable, or what was referred to as Stealth, won’t go away, it’s become the baseline. The next generation jets like Tempest and F-47 will focus on reducing RCS further across multiple radar bands, but also will try to reduce heat signature in response to the development of IRST.

    • Potentially contemplate the designation fighter-bomber? GCAP is going to be a beast in flight. 🤔

    • The vertical stabilisers are very F-23 like aren’t they and that aircraft was more stealthy than the F-22 and as they are presently shown, unlike the F-23, they are above the wing which might effect matters. Seems a lot of debate about canards being unstealthy, US sources lampooned the J-20 and the Chinese are laughing back as Boeing’s offering as shown presently (despite the attempt at disguise) seems to sport them. It’s been said the canards help rebalance the loss of control the lack of vertical stabilisers inflict so what’s the plus/minus quotient I wonder. All a bit speculative even amongst aerodynamicists from what I read. Some say the overall body design/shape has a greater overall effect on stealth than canards, how canards compare to cranked stabilisers is an interesting one. As someone said and I have seen various speculative visuals regarding the cranked vertical stabilisers flattening, one presumes for cruise mode, though don’t think that’s going to work with a delta configuration and no idea if the idea has been considered for real on any design.

  2. I’m surprised how [relatively] smooth this project is going given the sums involved. It seems that everyone (even the Treasury) have realised that FCAS/GCAP is the last game in town if the UK is to retain a place at the top table in terms of sovereign military combat aircraft industrial capability. Without Tempest – Sweden, Türkiye, India and South Korea are just some of the countries that will leave us in their dust.

    • Unfortunately they will require a specific cup that is only produced by BAE, at a cost of £20,000 per unit

  3. The design approaches of the individual teams is certainly interesting. At the moment Tempest seems to be going with small vertical tails but no canards. Which is contrary to what we know( think) about the US and Chinese efforts. Up until recently , the general opinion of the arm chair experts( me included) , that canards b*gg**ed up stealth and I know the Typhoon has a setting which the canards can be set to minimise forward RCS.
    Any design is a balance of compromises, one assumes the Tempest team don’t think omitting the tails is worth the trade off somewhere else.
    I also wouldn’t be surprised if the tails can be rotated flat during some modes of flight or the GCAP team are having some fun throwing out red herrings to their competitors.
    Trump has all but sunk oversea sales of the F46 , FCAS seems to be mired in politics . Potentially leaving the 6 th gen market wide open to GCAP although Lockheed’s ideas for a 5th gen plus F35 could put a big spanner in the works, assuming the can get past the kill switch debacle.

  4. There’s no kill switch debacle for the F-35. That’s just made up nonsense.

    As for the F-47, my guess is Congress will prevent the sale to foreign countries just as they did with the F-22.

    • Whether you agree or disagree with my point is up to you but for your claimed “ nonsense” it has been covered by enough news outlets both main stream and military to at least give credence to my point and it will remain a factor in F35 sales until LM prove by whatever means it is untrue.
      As for the F47 the huge cost of delivering the aircraft , plus current and future budgetary pressure on the USAf will cause them to offer some form of export version to spread the development cost.

      • As the UKDJ reported in March, “In response to a parliamentary question from Liberal Democrat MP David Chadwick, Defence Minister Luke Pollard stated that “the UK maintains the freedom of action to operate the F-35 Lightning at a time and place of our choosing.””

        I know TDS is spreading again, but please don’t let it get the better of you.

        As for the F-47, if it is as advanced as the F-22 was when it was introduced, it won’t be sold to other nations.

        • I am neither annoyed or upset, but I will give my full explanation as it seems to have escaped you.
          1) Do I think the F35 has a kill switch , NO
          2) if it did, do you honestly think LM would admit it?
          3) The U.K. is in the privileged position of being able to reverse engineer ANYTHING on the aircraft, software included. So if there was a kill switch we would have found it. I also would not be surprised if they are not already quietly reverse engineering parts of the plane already.
          4) As several respected aviation journalist have reported,( Gas (millenium 7) , Hollings (sand box news) to name two) there are plenty of ways to ground the jets including withholding mission critical data files or more obviously spares.
          5) There has been considerable news coverage regarding if the F35 and other advanced US sourced military tech has some form of disabling tech to prevent it being used should Trump or some equally untrusty POS squatting in the White House in future should deem it These rumours will continue to persist. It is a simple consequence of the behaviour of the current incumbent of the White House and his behaviour.
          6)You are entitled to your opinion but drop the condescending tone.

          As for the F47 how advanced remains to be seen but there will undoubtably be a market for these ultra advanced jets and when it sees the light of day is also up for debate. The development cost alone will push the US into marketing it or carry the burden of the tens of billions ( F35 development) cost themselves, this is what drove the US to heavily curtail the number of F22 and ultimately them seeking partners to develop the F35 and why you get a lot of bang for your buck with the F35. With hundreds of jets already built the astronomic cost of developing it is now a small fraction of the sticker label and continuing to fall ( mostly) tech refresh 4 may reverse it.
          It is tv Simple maths .
          But hey of Congress want to go down that route, it is fine by me. Given the team behind Tempest , it will be a match for anything that comes out of Boeing or China.
          Assuming the politicians continue to stay out of it.

          • I’m with you Michael people or news outlets like to work in the Black and White, so when they talk about the F-35 ‘kill switch’ becomes the focus but it’s a simplistic approach to whatever the reality likely is. As you say a kill switch would likely be difficult to disguise (Bae is a leading aviation coder in its own right both sides of the Atlantic) but full and effective use of F-35s without US approval would likely decay over the years if a dodgy US President (you know the sort who thinks by not doing trade saves the Country money) decided to impose limitations. I suspect our nuclear Ballistic submarines may well effectively be in a not dissimilar situation where control is there but targeting support et al will seriously effect its effectiveness, that however equally allows deniability, but let’s hope in either platform it’s not the case.

  5. Has the fix come in for the comments?
    No bots any more, and I have a tickbox to “Notify me via email if anyone answers my comment”.
    Hurrah!

  6. Tempest needs at least the combat radius & payload of the F-15EX. The ability to carry 5000lb class weapons.

    • While details are scarce true if it is indeed able to transit the Atlantic un-refuelled then that would be around a third longer range. Even if that’s optimistic or overblown the use of adaptive engines and advancements you simply cannot incorporate into even an advanced F-15 update and knowing a little of Japan’s requirements, I would feel safe in saying it will more than match an F-15EX in both regards. Internal storage will be interesting mind.

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