Sturzkampfgeschwader 2 and the Battle of Britain. In 1941 it saw service in the Balkans Campaign, and on the Eastern Front. For most of its service II./StG 2 was detached from the main Geschwader and operated as an independent formation. On 12 January 1942 II gruppe was redesignated as III./StG 3 and a new wing raised. While III gruppe continued to fly the Junkers Ju 87 until the end of the war, II gruppe flew the Junkers Ju 87 until March 1944, when two of its "staffeln" were converted to independent tank destroyer squadrons; 10(Pz) SG 3 and SG 77. Sturzkampfgeschwader 2
Hugo Junkers in Dessau. The iron wings were patented one year later. Junkers had a wind tunnel built and invented a hydraulic brake. He had far-sighted ideas of metal aeroplanes and flying wings, but the necessities of the war held him back. During World War I, the government forced him to focus on aircraft production. In 1915, he developed the world's first practical all-metal aircraft design, the Junkers J 1 "Blechesel" (Sheetmetal Donkey), which survived on display in Deutsches Museum in Munich until World War II. His firm's first military production design in 1916–17 was the armored-fuselage, two-seat, all-metal sesquiplane known by