 They all require an air traffic controller. They all require a human in the loop. I think the real deal is AI and autonomy. And as long as there's a human in the loop, it doesn't say how far back the human in the loop is. And I'll give you a quick example. The Navy SEWIS system, close-in weapon system, it's a 20-millimeter Vulcan phalanx cannon. And when inbound sea skimmer missile is coming in,