Dee ihe na-esote paragraf a - Agha Ụwa nke Abụọ malitere na Europe na Fraịdee 1 Septemba 1939 mgbe ndị agha Germany wakporo Poland. N'oge ahụ, III. "Gruppe" nọ n'okpuru iwu nke "Hauptmann" (Captain) Werner Mölders na e guzobere ya na Wiesbaden-Erbenheim na 26 Septemba 1939. Onyeisi ndị agha Müller na 8. "Staffel" bụ "Oberleutnant" Hans von Hahn. Müller gbara ụgbọelu ọgụ n'oge agha agha Phoney wee nata Iron Cross nke klas nke abụọ () na 17 Eprel 1940. O kwuru na ọ bụ ya bụ onye mbụ meriri n'elu ụgbọelu n'oge a na-alụ agha na France. N'abalị iri abụọ na asaa n'ọnwa Mee n'afọ 1940, n'oge a na-ewepụ ndị mmadụ na Dunkirk, o gburu ụgbọelu ndị agha Curtiss Hawk n'akụkụ Amiens. N'abalị iri nke ọnwa Juun, e nyere ya otito maka mbibi nke ụgbọelu atọ nke Morane-Saulnier M.S.406 nke France. "Geschwader" gbara ụgbọelu ikpeazụ ya n'agha na French Campaign na June 19. Na June 20, III. "Gruppe" nyere ndị agha na-agba ọsọ na nso Compiègne n'oge mkparịta ụka nkwekọrịta agha
nke a bịanyere aka na ya na 22 June.