 And they were only a certain height. Yeah, they tend to be at or below 10,000 feet, at least when the effect begins. And like the Foo Fighters over Europe, World War II, a lot of those were Lancasters and others, but they were at relatively low altitudes, under 20,000. And nowadays, let's face it, even a modest corporate prop shed is 25,000, 30,000 feet.