Gray is the last surviving member of the 13th Special Squadron (a.k.a. Gods of Death), the most feared unit by both friendly and enemy forces alike. Gray is a bitter man due to the loss of his subordinates and is known to be strict with his own men. After the war, he retires from the United Earth Force and becomes a well-known gambler on the Vegas strip.
He pilots the AEX-10H GULDIN.