He saves your life when he blows up a ZAFT mobile suit that was about to fire upon your escape pod. By total coincidence your pod is picked up by the very ship he ́s stationed on. (I figure that the so-called "Boosted men" were involved in combat before we actually saw them in SEED)(I always felt a little bad for them. Imagine getting taken off the street only to get brainwashed and turned into a human weapon with no other purpose beyond..well..being a weapon)
CW:war and mentions of drugs (Orga needs a specific kind of stimulant to function)