Susan was born in 2527 in the Rebel Asteroid Base Freedom. She was taught to hate the UNSC for ten years of her life, but then her parents died in an attack on a UNSC Fissile Munitions Plant. Her parents were the attackers. She was indocdrinated into the SPARTAN-X program, and was placed in Fireteam Echo. She proved herself a worthy sniper, but died in 2552 during Operation Anvil.