Jason is a United States Marine Corps Force Reconnaissance First Lieutenant and the squad leader of Mailman 2-1. A man with fair skin and an athletic build, has brown eyes and short brown hair. Jason always wears a baseball cap with the respective inscription. He sports two tattoos, on his left wrist and right forearm. He is a very competent Marine, described as "best of the best", cares about each of his comrades, pragmatic, confident, intolerant, determined and loyal.