Complex sentence: Their target was the Schwarzheide Synthesis Factory ("Synthesewerk Schwarzheide") between Dresden and Cottbus; in addition, several planes were to drop their bomb loads over the Sudetenland fuel factory of Maltheuern near Brüx.
Split into simpler sentences: Their target was the Schwarzheide Synthesis Factory ("Synthesewerk Schwarzheide") between Dresden and Cottbus. In addition, several aircraft were to drop their bomb loads over the Sudetenland fuel factory at Maltheuern near Brüx.