Junkers Ju 87 had been ineffective and disorganised, and as a result, "Stuka" losses were mainly due to ground fire. 120 machines, one-third of the Stuka force, were destroyed or damaged by all causes from 10 May to 25 June 1940. For the Battle of Britain, the Luftwaffe's Order of battle included bomber wings equipped with the Ju 87. Lehrgeschwader 2's IV.(St), Sturzkampfgeschwader 1's III. Gruppe and Sturzkampfgeschwader 2's III. Gruppe, Sturzkampfgeschwader 51 and Sturzkampfgeschwader 3's I. Gruppe were committed to the battle. As an anti-shipping weapon, the Ju 87 proved a potent weapon in the early stages of the battle. On 4
Junkers Jumo 012 December 1944, the RLM issued an order to Junkers calling for the firm to cease development on the 109-012, and further design work was moved to several other firms. By the end of the war, only one mock-up had been completed. Junkers Jumo 012 The Junkers Jumo 109-012, known colloquially post-war as Jumo 012, was a turbojet engine under development in Germany during the Second World War. In essence, it was a scaled up version of the Jumo 004 which had already reached serial production by the end of the war. It was intended to power the EF 132 and