Complex sentence: They were assigned as a team to FFA 25 in the Crown Prince's Fifth Army and flew reconnaissance and bombing missions, for which the Crown Prince invested both Göring and Loerzer with the Iron Cross, first class.
Split into simpler sentences: They were assigned as a team to FFA 25 in the Crown Prince's Fifth Army. They flew reconnaissance and bombing missions, for which the Crown Prince invested both Göring and Loerzer with the Iron Cross, first class.