Corey Hauser (Earth-5875)

"Alright men! Let's welcome our Chief Petty Officer with some backup!"

- - Sergeant Corey Hauser to his soldiers

Sergeant Corey Hauser was an officer of the UNSC Marine Corps, who participated in the five-year long Shanxi Campaign, in the First Contact War.

Shanxi Campaign
On February 1st, 2531, during the Shanxi Campaign, Sergeant Hauser and his UNSC Marine squad were ambushed by massive Covenant forces, which killed most of them. As he was almost killed by a yanme'e Drone, the sergeant was saved by SPARTAN-II Daisy-023, who killed all Covenant soldiers on their way. When she did it, the Marines were able to establish contact with Ralph-103.