OPERATION - Project Horizon is a large scale operation conducted by the UNSC to eliminate Loyalist threats but also to acquire a Tier 2 Classified Data on Outpost Thoring. The Operation started at Colony Viyeri, where the UNSC Forces led by Admiral Vasquez commenced the orbital-surface assault with the AI assistance of Smart-AI Farron on the Wing Class Carrier, the Flagship of the UNSC Fleet Helia. 3 SPARTAN IV Fireteams were inside 3 Pelicans to go to their current objective while the Marine Core and the Navy takes the attention of the Covenant Remnant Forces to foreshadow the Spartans.