Complex sentence: In the first Allied war trial, Dostler was accused of carrying out an illegal order, while Dostler maintained that he did not issue the order, but only passed along an order to Colonel Almers from supreme command.
Split into simpler sentences: In the first Allied war trial, he was accused of carrying out an illegal order. In his defense, he maintained that he had not issued the order, but had only passed along an order to Colonel Almers from supreme command.