O'Brien (Mombasa)

"Sir, O'Brien's down"

- Private Walpole .

O'Brien was a member of the UNSC Marine Corps who participated in the Human-Covenant War. He was an Orbital Drop Shock Trooper of the 105th ODST Division contingent aboard the.

Battle of Mombasa
During the Battle of Earth, his squad was dispatched from the In Amber Clad to relieve Marine ground forces fighting the Covenant invaders from the Fleet of Sacred Consecration in New Mombasa, Kenya. Their D77-TC Pelican was shot down by a Type-47A 'Protos' Scarab walker operating in Old Mombasa. When the dropship made a hard landing outside of Hotel Zanzibar, O'Brien was killed instantly during the crash. His death was announced by Private Walpole.

Trivia
O'Brien is named after the Bungie employee William O'Brien, who worked on the animations and cinematics for Halo 2.

List of appearances

 * Halo 2
 * Halo 2: Anniversary