Spartan-044
From Halopedia, the Halo wiki
Anton-044 is not well known. He was trained on Earth for camouflage, stealth and tracking. He was in the red team and was one of the 6 Spartans that had majors wounds. He was divided in the "gamma" section and was found later on by Master Chief. His last mission was too repair something fore the principal engine of the Ascendant Justice in zero gravity. A plasma torpido hit him and he died along with Li-008.