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Cake day: October 9th, 2023

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  • Interesting question! I hadn’t heard about the royal navy looking into this recently! The last I was aware they had discussed retrofitting the QE carriers around 2011-2012, but the project cost estimation at that time was ~£2b, two thirds of the approximate procurement cost of one carrier at ~£3b.

    I wasn’t able to find anything definitive about if this more recent proposed retrofit will go forward, but I will say that the UK’s 2025 Strategic Defense Review white paper specifies in section 7.2 they will be using F-35B for their carrier air wings. The full section is as follows:

    The Royal Navy must continue to move towards a more powerful but cheaper and simpler fleet, developing a ‘high-low’ mix of equipment and weapons that exploits autonomy and digital integration. Carrier strike is already at the cutting-edge of NATO capability but much more rapid progress is needed in its evolution into ‘hybrid’ carrier airwings, whereby crewed combat aircraft (F-35B) are complemented by autonomous collaborative platforms in the air, and expendable, single-use drones. Plans for the hybrid carrier airwings should also include long-range precision missiles capable of being fired from the carrier deck.”

    My guess is that they found similar results to the previous time they looked into retrofitting the carriers. The language here makes me think they’re moving toward more drone integration (manned-unmanned teaming is all the rage right now) in order to offload extra munitions and capabilities to autonomous platforms which compliment and counterbalance the weight limitation weaknesses of F-35B rather than broadening the scope of their available air wing, but it’s hard to say as I didn’t see any mention for or against the retrofits in that whitepaper. Definitely something to keep an eye on, though, as I doubt they would have reconsidered the retrofits in the first place without some reason to make it potentially more viable. Good looking out!


  • I suppose you could but it would be both incredibly time consuming and incredibly expensive, and you’d be more likely to end up with a worse carrier than if you’d just built in those launch capabilities in the first place.

    You’d need to rip out the deck, and then retrofit it and the internals to accommodate the rail and launch system. You’d also need to reinforce the deck and remove the ski jump as the jets you’re flying will now be heavier and the jump will just get in the way of the launch system. The system itself could either be electromagnetic (like the EMALS system) but that would require several times the current energy output of a Queen Elizabeth class carrier, so would involve extensive engine upgrades. You could use steam instead, but you have a similar problem in that a whole bunch of infrastructure that you didn’t design space for now has to fit. You’d also probably have to overhaul the fueling, munitions, and maintenance facilities to accommodate the new jets. I’m sure there are other things that would have to be adapted but this is just from the top of my head.

    All told, you’d probably be spending a similar amount or more to building a new carrier in order to take one of your own carriers offline for years and at the end of it you’d be left with an incredibly expensive carrier which would likely still be subpar to something custom built for this purpose.

    TLDR: You could, but it’d involve a lot of work, a lot of money, a lot of trade offs, and would be unlikely to yield something better than if you’d just put that money into building a new carrier.


  • I mean, they’re not forced to, it’s just a problem that requires tradeoffs. For example, France operates the CATOBAR-capable carrier Charles de Gaulle and specifically doesn’t fly F-35, choosing instead to fly the 4th gen Rafale for the express purpose of maintaining strategic autonomy.

    Plus, unless you’re an island nation or doing expeditionary operations (i.e. the power projection game) you probably have little need for a carrier in the first place.

    If you’ll only settle for a 5th gen jet that’s carrier capable, though, yeah you’re kinda out of luck. Su-57 is hardly even a 5th gen jet in the first place, and even if the Admiral Kuznetsov wasn’t continuously catching fire in dry dock, the jet still couldn’t launch from it for a variety of design reasons. Same story with China’s J-20. China IS developing J-35 for carrier operations, though, and the jet has launched from both STOBAR and CATOBAR carriers in tests from what I understand, but I don’t imagine they’ll export those for a VERY long time.





  • This is the first I’m hearing of this, so take this with a grain of salt, but Im skeptical of the idea that the dismissal of ‘Xi loyalists’ indicates a weakening of Xi’s position. The thing to remember is that autocrats during peacetime are forced to pick people for top positions who won’t upset the balance of power; loyalty is the primary factor in selection, especially so in this case because the person who controls the military is by far the most dangerous from a coup perspective. Notably, this means that no requirement is made for competence at their given role. Putin faced the consequences of this exact problem in Ukraine, as several of his top brass (see: Shoigu and Gerasimov) were both deeply corrupt and deeply incompetent, and it led to massive issues in the initial invasion in 2022. This could instead be read as a preparation for war, with Xi learning from Putin’s mistakes and clearing out the loyal but not completely competent members of his military command apparatus.


  • I think you misunderstand how the expansion of the universe works. While the universe is expanding, it does not do so at a uniform rate on a local scale, as that expansion can be countered by various forces, most notably gravity. It’s expected that while space will continue to expand, stars within galaxies and groups/clusters of galaxies will all remain bound to each other for as long as that gravitational effect persists. Within the Local group (of which the Milky Way is part), for example, there are at least 80 galaxies, and those will stay bound indefinitely (according to our current limited understanding). Galaxies outside of our supercluster are, however, already moving away from us faster than the speed of light, so exploration outside of a supercluster without FTL tech would be impossible.

    As for the accessible resource issue, that’s a fair point, and one I hadn’t considered. I imagine we would be able to repurpose already collected and refined materials from our old civilizations as a way to somewhat offset that, but it would definitely be a major hurtle to get past, especially if radioactive dust is a hazard we need to deal with on an atmospheric level. I still think humanity would find a way, as our ingenuity shouldn’t be underestimated, but I don’t think it’s a guaranteed thing at all, and I acknowledge my only reason for believing that is just a gut feeling and a, frankly, selfish desire to believe we aren’t as vulnerable as we appear to be.

    Nonetheless, a humanity that barely clings on isn’t much of a win in either case, so even that is a cold comfort.


  • I disagree that the lack of a hard answer to the Fermi Paradox necessarily indicates that any technologically advanced civilization must invariably end up destroying itself. There are a variety of potential explanations that could explain our apparent solitude, of which a technological great filter is but one. For example, our universe is quite young, both in terms of how long a universe lives before its heat death and in terms of how long a universe continues producing stars capable of sustaining life. With this in mind, it’s entirely possible that we are simply the first to achieve sentience in our galaxy (as intergalactic travel is an unlikely prospect), especially if there is some particularly difficult evolutionary hurdle that we have already passed. Alternatively, it may be that communication methods detectable by us (such as radio emissions) are methods used only by technologically primitive spacefaring species, and so it could be that there is only a short window of time during which a species is visible to observers outside the system. And those are just two of a myriad of potential solutions to the paradox.

    Space is vast, and the fact that we haven’t found anyone else yet should not be taken as proof nobody is out there. That’s like scooping a cup of water out of the ocean and declaring there are no fish in the ocean on the basis of that cupful of water alone. Looking more toward earth, I also want to note that humanity is a tenacious bunch. We have survived ice ages and super volcano eruptions in our past, climate extremes that mimic what could be produced by nuclear war. Undoubtedly, many of the outlined scenarios would be unpleasant and lead to an unacceptable loss of both human and non human life, but I find it unlikely that humanity wouldn’t cling on. Even if 99.99% of humanity died, that still leaves 800,000 people alive, and I doubt it would take more than 1000 years before we were back on our feet.


  • I mean, there’s an infrastructure problem that’s worth considering. With low enough population density, it could become no longer feasible or worth it to maintain large-scale, country/globe spanning infrastructure projects such as power grids or undersea fiber optic networks. This infrastructure didn’t matter much a few thousand years ago, but it’s pretty critical now, so the same rules don’t necessarily apply.

    I don’t know how likely I consider this outcome to actually be, as you’d need a very steep decline, but it’s at least worth keeping in mind.