The MV Liemba, formerly the Graf Goetzen or Graf von Goetzen, is a passenger and cargo ferry that runs along the eastern shore of Lake Tanganyika. The Marine Services Company Limited of Tanzania sails her, with numerous stops to pick up and set down passengers, between the ports of Kigoma, Tanzania, and Mpulungu, Zambia.Graf von Goetzen was built in 1913 in Germany, and was one of three vessels the German Empire used to control Lake Tanganyika during the early part of the First World War.