O'Brien (Spartan)

This article is about the SPARTAN-IV supersoldier featured in Halo Infinite. For other characters named O'brien, see O'Brien.

O'Brien
Personal details
Species:	Human
Political and military information
Affiliation:	Spartan Operations SPARTAN-IV program
Rank:	Spartan
Notable info:	Attended the Avery J. Johnson Academy of Military Science

O'Brien is a Spartan-IV supersoldier. They attended the Avery J. Johnson Academy of Military Science.

Biography

Spartan-IV training

O'Brien entered the SPARTAN-IV program as a recruit, where they were put through training at the Avery J. Johnson Academy of Military Science. O'Brien was later seen standing alone while Spartans Ionescu, Denning and Page were socializing nearby. O'Brien took part in a live-fire exercise in which they competed alongside Spartans Leung, Eusebio, and Denning. They faced off against Spartan Commander Laurette Agryna, Spartans Ionescu and Page, and one other spartan recruit.

Equipment

Armor

Spartan O'Brien employs standard issue Mark VII MJOLNIR Powered Assault Armor with an Enigma-class helmet, with the "cadet cyan" armour coating.

List of appearances

• Halo Infinite (First appearance)