 Well, let me just say this. I've done hundreds of site advances. When you show up on a site, you're looking for every potential threat and how it could be manifested, and most importantly, how do we mitigate it? And I got to tell you, that's a tedious process. You know every single foot of that site. You go out with what we call concentric circles of protection, meaning that there's an area inside of the secure area