- This article is a stub. You can help Halopedia by expanding it.
Template:Ratings The Hydra System is a star system controlled by the UNSC. It was also the location of the Hydra System Massacres.
It may be a reference to the constellation Hydra
Template:Ratings The Hydra System is a star system controlled by the UNSC. It was also the location of the Hydra System Massacres.
It may be a reference to the constellation Hydra