The Princedom of Alizon was a small star nation in the Alizon System. In 1904 PD, the Princedom became a member of the Manticoran Alliance. (HH3) In 1913 PD and 1920 PD Alizon was succesfully attacked by Havenite naval forces. See: Battle of Alizon, Raid on Alizon Its military branch was the Alizon Space Navy.