Some time after the destruction of the Oil Rig, and the NCR attacking Navarro, he, the squad, Arcade Gannon's mother and a young Arcade Gannon fled south into the NCR. The fall of the Enclave hit him hard. Arcade remembers him saying "Kiss America goodbye, boys," as they escaped Navarro. They continued to flee east as Enclave personnel trying to integrate into the NCR were being found. He and the squad eventually settled in the Mojave Wasteland and went their separate ways. Currently, he lives in a house near the NCR Sharecropper Farms, still holding a grudge against the NCR for what happened at Navarro, a situation not helped by accusations that he is squatting in NCR territory.
Like the other remnants, Orion has high health, greater than or equal to that of most companions. This, in addition to the high Damage Threshold provided by his armor, makes him something of a boss character and the fight is very difficult at lower levels. He can also use Stimpaks, a rarity among hostile non-player characters.
Orion's word for the Remnants bunker is "Remember."