Complex sentence: The NATO forces achieve air superiority and destroy many key bridges over which much of the Soviet Army had yet to cross, especially over the Elbe River including bombing of bridges on the primary road between Berlin and Braunschweig.
Split into simpler sentences: The NATO forces achieve air superiority and destroy many key bridges over which much of the Soviet Army had yet to cross, especially over the Elbe River. Mention is made of the bombing of a bridge on the primary road between Berlin and Braunschweig.