From Halopedia, the Halo wiki
UNSC Marine Corps
Sergeant Carlo M. Scudieri (service number 93071-28339-CS) is a non-commissioned officer serving in the UNSC Marines who was assigned to the UNSC Infinity during the Battle of Requiem.
In July 2557, Scudieri was aboard the Infinity when the ship was caught by the gravity well of the shield world Requiem. He was later assigned to Gypsy Company to destroy the particle cannons that defended the gravity well generator. The Company was sent to the location of the particle cannons, designated "Sniper Alley", along with an M510 Mammoth. Scudieri was in charge of navigation on the Mammoth during the engagement.