Marsh never wanted to be a soldier or leader, he simply craved the feeling of freedom that flying granted him. To satisfy that thrill seeking desire, he joined the Exo-fleet and quickly became an E-frame pilot and later an officer. J.T. Marsh is a natural-born rebel and hero. From the moment he learned that the Neosapiens had conquered Earth and the other Mankind "Homeworlds" of Mars and Venus, he knew he had to do something to help his fellow humans. In Exosquad he is not only leading the fight to free mankind, he is also giving hope to all those suffering under the brutal rule Neosapiens rule.