Halo 3

Halo 3 is an Xbox 360 First Person Shooter video game as the final installment for the Halo triology. It was developed by Bungie studios and published by Microsoft in 2007.

Story
John 117 lands on Earth in an East African jungle, and is discovered by UNSC Marines led by Sergeant Major Johnson and Thel Vadam. Fighting through the jungles, it was discovered Johnson and his marines were captured by the Brutes. John and Thel found the area they were held and rescued them, then the Covenant forces there were eliminated and a Pelican picked up the survivors.

In a UNSC Underground Base, John 117 was dropped off there and yet again met up with Commander Miranda Keyes. Although Covenant forces attacked the base with the intention of killing all the UNSC inside with a bomb. UNSC forces and Thel evacuated from the area, and John activated the bomb they were holding and escaped which caused the UNSC forces to survive but the Covenant forces inside the base were all killed. Deep underground, John regroups with his allies makes his way to the African City Voi, Kenya through Tsavo Highway. The UNSC eliminate the Covenant's Anti Air defences and Lord Hood leads the last of Earth's Military Ships against the High Prophet of Truth but Truth creates a slipspace portal to escape to Installation 00.

A Flood-controlled Covenant Cruiser then comes through the portal and crashes in Voi, which makes John and the Arbiter escape the area. Shipmaster Rtas Vadum leads the Covenant Separatists into helping the UNSC against the Flood, and John then encounters 343 Guilty Spark who appears to want to help the Spartan in saving Cortana. UNSC forces and Covenant Separatists then arrive at the Ark and many ground troops are deployed including John 117. Chief then finds the Catographer and eliminates all Covenant forces in the area.

UNSC and Elite forces goes to the location of the three towers shielding the Citadel. John shuts down the first tower, Thel shuts down the second but Johnson doesn't shut down the last.