Complex sentence: Two years later he became Inspector General of Auxiliary Forces at the War Office, and in 1897 he returned to Egypt to command the British forces there during the expedition to Khartoum, for which he became GCB the following year.
Split into simpler sentences: Two years later he became Inspector General of Auxiliary Forces at the War Office. In 1897 he returned to Egypt to command the British forces there during the expedition to Khartoum, for which he became GCB the following year.