Due to the influence of his brother, Hauptmann Wilhelm Boelcke, Boelcke was initially posted to "Fliegerabteilung 13", of which Wilhelm was a member but was transferred to "Fliegerabteilung 62" in April 1915, based at Douai.
Due to the influence of his elder brother, Hauptmann Wilhelm Boelcke, Boelcke was initially posted to "Fliegerabteilung 13" (Aviation Section 13), of which Wilhelm was a member. He later transferred to "Fliegerabteilung 62" in April 1915, based at Douai.