In addition to being a working vessel, Launch 5 serves as a floating memorial to the officer she was named after, Patrolman Henry Walburger, who was killed in the line of duty in 1964. The vessel goes by both names - "Patrolman Walburger" and "Launch 5". All NYPD Harbor Unit patrol launches are given a numbered designation welded to the outside of the wheelhouse. "Patrolman Walburger" was assigned No 5. She is fifty two feet in length, powered by twin diesel engines and weighs 25 tons.