GNS Isaiah MacKenzie was a Harrington-class superdreadnought of the Grayson Space Navy. Named after Isaiah Mackenzie, a legendary general of the Civil War, she was commanded by Captain Jason Haskins, and was assigned to Battle Division 62 in 1914 PD. She also served as flagship of Battle Division 62, Rear Admiral Aristides Trikoupis commanding. She fought at the Battle of Elric. She was known to her crew as "Izzie". (HH9)