Entering service in early 1941, the Dornier Do 217 was designed as an improved version of the ¿Flying Pencil¿, the Do 17 bomber. The Do 217E-1 twin radial-engine bomber first flew in October 1940, the same month that the production of the Do 17 ceased. The Do 217 was initially used for conventional bombing and anti-shipping missions around the United Kingdom, including the infamous Baedeker Blitz against British provincial cities in 1942\. The Do 217 was the main German bomber in this theatre until late 1943, when it started to be replaced by the Messerschmitt Me 410 and Junkers Ju 188\. During this period, the Do 217E was improved, leading to the introduction of the Do 217K or M, the difference between the two being the engines. The Do 217 would be deployed in all of the Luftwaffe¿s campaigns and fronts in the Second World War. Curiously, though, the only operational units to use the type on the Eastern Front were the night reconnaissance units, aside from which only occasionally did