Complex sentence: After Sperrle returned to Germany, Richthofen assumed command of the "Condor Legion" with the rank of Major General ("Generalmajor") on 1 November 1938.
Split into simpler sentences: After Sperrle returned to Germany, Richthofen assumed command of the "Condor Legion". Richthofen was promoted to the rank of Major General ("Generalmajor") on 1 November 1938.