He is a 20-year-old Mars Base lieutenant who becomes stranded on Earth after the Inbit obliterate the defenses of the Second Earth Recapture Force he was part of.
Stick later leads a band of human rebels who fight against the aliens by using guerrilla tactics. Stick's mecha of choice is a green VR-052F Battler Mospeada, which carries a beam rifle and forearm missile pods. He is also a Legioss and Tread mecha ace pilot.
His name was changed to Scott Bernard in the Robotech American adaptation of the series.