 The perimeter is actually established by your threats that are in the area. So if I don't have any threats outside of 100 yards, okay, fine, I can cordon off a certain area. But if I have a building 160 yards perfectly adjacent to the stage, that's an obvious threat, especially with an elevated position that has overwatch. All right, stop for a second. It's about to get very, very intense in this exchange, but he's got a lot of good information. Be right back.