Spanish rebel deserters guarded by loyal militiamen . Smiling cheerfully through a stubble of beard , two deserters from the Spanish rebel forces march along guarded by men of the Government militia who were taking part in the loyalist ' s advance on Saragossa from the south . The deserters , who asked to join the Government forces , are still wearing their army breeches , and seem unconcerned by the prodding rifles rifles of the men behind . 18 August 1936