It is powered by rocket fuel, obviously, as they 've a certain amount of rocket fuel on this because it's not actually sitting specifically at lagrange point too. So every now and then, every few months, it needs to just get a little spurt go back towards legonty. But the launch went so perfectly, and they didn't have to re define the trajectory that much at all, that they think it's going to last at least 30 years. Ye, very fun christmasin ain get launched. Imagine having to wait to watch potentially 300, forty things go wrong, yes? Waiting, yes. Well, a, not even just waiting that month, but,