 Then once we get that physician's release, we then go to work to find the pilots. And we're dealing with volunteers, so we're not calling up Fred saying, Fred, you're going to take this flight on Friday. We're calling Fred and saying, Fred, we have a great opportunity for you to take a flight on Friday and asking them to help out. Well, you're doing good work. What is the average length of your flights? I mean, one hour, three hours?