O'Neill was originally supposed to be a part of Raptor Team, but a failure to not respond properly to a Code Blue banned him from US Special Operations. This is why Nomad is currently part of Raptor Team, because he took O'Neill's original place.
During Crysis Warhead
|Characters in Crysis and Crysis Warhead|
|KPA||Lee Kim-sun · Kyong Ri Chan|
|Raptor Team||Aztec · Jester · Nomad · Prophet · Psycho|
|Eagle Team||Bandit · Bear · Blue Dog · Cupcake · Dane|
|Research Team||Martin Badowski · David Rosenthal · Helena Rosenthal · Hostage|
|US Military||Richard Morrison · Clarence Strickland · Sean O'Neill · Emerson · Tim Gillespie · Lieutenant Bradley|