 visits from dignitaries, and you would look at these aerial views of certain things, and you would basically go through and X them out. Who's going to have control of this? Who's going to check this place out? And you basically, your role, once it's locked down, secure it. Lock it tight. Don't give up the ground. It's a very, I hate to make it a very simple and basic tactic, but it is. And the Secret Service has a responsibility to do the sweeps.