 Overnight passage on steamboats in the United States ended in 2008.The Delta Queen could resume that service, but it requires the permission of the United States Congress.The "American Queen" was in the US Ready Reserve fleet and was purchased and relaunched in April 2012 and now carries passengers on 4 to 10 night voyages on the Mississippi, Ohio, Tennessee and Cumberland Rivers as the flagship of the American Queen Steamboat Company.