Messerschmitt Bf 109 11 July 1938 when Erhard Milch finally allowed Willy Messerschmitt to acquire the company. All Messerschmitt aircraft that originated after that date, such as the Me 210, were to carry the "Me" designation. Despite regulations by the RLM, wartime documents from Messerschmitt AG, RLM and "Luftwaffe" loss and strength reports continued to use both designations, sometimes even on the same page. All extant airframes bear the official "Bf 109" designation on their identification plates, including the final K-4 models. The aircraft was often referred to by the folk-designation, 'Me 109', particularly by the Allies. The aircraft was often nicknamed "Messer"
Luftwaffe request to Ernst Heinkel concerning the He 177, who vehemently opposed such an idea, which ruined its development as a heavy bomber. Göring was not able to rescind the dive bombing requirement for the He 177A until September 1942. By the summer of 1939, the "Luftwaffe" had ready for combat nine "Jagdgeschwader" ("fighter wings") mostly equipped with the Messerschmitt Bf 109E, four "'Zerstörergeschwader" ("destroyer wings") equipped with the Messerschmitt Bf 110 heavy fighter, 11 "Kampfgeschwader" (bomber wings) equipped mainly with the Heinkel He 111 and the Dornier Do 17Z, and four "Sturzkampfgeschwader" ("dive bomber wings") primarily armed with the iconic