The Junkers Ju 52 (nicknamed Tante Ju ("Aunt Ju") and Iron Annie) was a German trimotor transport aircraft manufactured from 1931 to 1952. It saw both civilian and military service during the 1930s and 1940s. In a civilian role, it flew with over twelve air carriers including Swissair and Deutsche Luft Hansa as an airliner and freight hauler. In a military role, it flew with the Luftwaffe as a troop and cargo transport and briefly as a medium bomber.