Complex sentence: At the beginig of World War ΙΙ, Müller was posted to KGz.b.V.172 as a transport pilot.He promoted to Feldwebel and assigned to 5.
Split into simpler sentences: At the beginig of World War ΙΙ, Müller was posted to KG z.b.V.172 as a transport pilot. He was promoted to Feldwebel and assigned to 5.