And that's why the US is constantly at war in one theatre or the other. It's incredibly expensive to keep production lines going - but it's vital because if you

And that's why the US is constantly at war in one theatre or the other. It's incredibly expensive to keep production lines going - but it's vital because if you don't, you can't scale production up at a moment's notice. Us Europeans learned that lesson the hard way three years ago and we haven't made much progress ever since the first Russian boot set foot on Ukrainian soil. 100k artillery shells don't sound like much of a thing... but apparently it is.