Complex sentence: As with the other accredited journalists, he was paid by the War Office rather than by his newspaper and they were all assured that they would be able to publish memoirs of their service to offset the differential between an officer's pay and that of a journalist.
Split into simpler sentences: As with the other accredited journalists, Beach was paid by the War Office rather than by his newspaper. He and other journalists were assured that they would be able to publish memoirs of their service to offset the differential between an officer's pay and that of a journalist.