Assisted by a squad of Spartans, the UNSC forces fight to defend the colony world of Harvest from the Covenant, and push them off of the planet.Assisted by a squad of Spartans, the UNSC forces fight to defend the colony world of Harvest from the Covenant, and push them off of the planet.Assisted by a squad of Spartans, the UNSC forces fight to defend the colony world of Harvest from the Covenant, and push them off of the planet.