 Both the Bong Airport and Bong Bridge are named for famed World War II pilot and highest-scoring American World War II air ace Major Richard Ira "Dick" Bong, a native of nearby Poplar, Wisconsin.Located at the western end of the Saint Lawrence Seaway, the Duluth–Superior seaport is the largest and farthest-inland freshwater seaport in North America.By far the largest and busiest on the Great Lakes, the port handles an average of of cargo and over 1,100 visits each year from domestic and international vessels.