User:Sgt.T.N.Biscuits/Mark O'Neil

"They say in peace, sons bury their fathers. But in war, fathers bury their sons.."

- Mark O'Neil to Sergeant Darrel Mac during the Fall of Arcadia

Mark O'Neil (born November 4th, 2516) is a commissioned officer of the UNSC Navy, serving as a special warfare operator under the Office of Naval Intelligence's Special Operations Division. O'Neil served as an Orbital Drop Shock Trooper (ODST) specializing in covert and black operations until the death of his platoon during the Fall of Reach. After a brief attempt at retiring, O'Neil was thrown back into the conflict, ultimately serving during the war's most important conflicts such as the Invasion of Coral, Battle of New Mombasa, Siege of Voi, and Operation: BLINDFAITH.