 So this is Vessel 810. It's one of our, we call it our work boat. And aboard the boat is Lieutenant Andrew Horos with the Harbor Patrol. As they cruise the waters, they get greetings from boaters. How are you, sir? We're just kind of going through our anchorage area, ensuring everyone's safe. He says one of the most dangerous points of the river is past the chain bridge. The water becomes very turbulent, very dangerous, and a lot of people swim, consume alcohol. And that doesn't mix.