40px-Terminal.png This article, Thomas Hildebrand, was written by Rozh. Please do not edit this fiction without the writer's permission.

Thomas Hildebrand, also known by the pseudonym "Centaur", was a special forces operator originally enlisted with the UNSC Marine Corps. During his first seven years of service, he was able to ascend to the rank of Staff Sergeant and was a member of Marine Force Reconnaissance.

In 2561, at the age of 25, Hildebrand was selected by UNSC Naval Intelligence to join the elite squad known as Ozone Six, immediately earning command of the fireteam Ozone Six-Two.