Solomon-069 was abducted and conscripted into the SPARTAN-II program by Dr. Catherine Halsey in 2517 when he was just six years old. Solomon was then taken to the human colony world of Reach, and trained by the AI Déjà and Chief Petty Officer Mendez, along with the rest of the Spartan children. He was known to be aggressive and headstrong.
Main article: Battle of the Unnamed Star System
In 2544, he participated in an operation to retrieve a captured Catherine Halsey from a Covenant Fleet, along with a team consisting of Arthur-079, Kelly-087, Fred-104 and led by John-117. Operating a Booster Frame in an attempt to infiltrate a Covenant ship, he detected a signal from one of many CCS-class Battlecruisers in the fleet, managing to enter through a hangar and reach what he assumed to be their target. However, it turned out to be a Covenant Antimatter Charge, after this discovery, the bomb subsequently detonated. The explosion destroyed the ship, killing Solomon with it. In accordance of the ONI Directive 930, Solomon was presumably listed as Missing in Action.