Complex sentence: Vlasov was taken to Berlin under the protection of the Wehrmacht's propaganda department where he, together with other Soviet officers, began drafting plans for the creation of a Russian provisional government and the recruitment of a Russian army of liberation under Russian command.
Split into simpler sentences: Vlasov was taken to Berlin under the protection of the Wehrmacht's propaganda department. There he, together with other Soviet officers, began drafting plans for the creation of a Russian provisional government and the recruitment of a Russian army of liberation under Russian command.