Biggles. The Camels Are Coming

At the end of WW1, Biggles and fellow pilots contend with enemies in their own Sopwith Camels. "The Camel closed up until it was flying beside him; the pilot smiling. Biggles showed his teeth in what he imagined to be an answering smile. 'You swine,' he breathed: 'you dirty, unutterable, murdering swine! I'm going to kill you if it's the last thing I do on earth.'"