G.I. JOE infantry troopers are a top-notch part of the G.I. JOE team. Dubbed "Greenshirts" by G.I. JOE veterans, they're the backbone of any mission, slamming COBRA forces with solid muscle and overwhelming firepower. To be part of this infantry force, each trooper studies how COBRA fights so he can anticipate and counteract the enemy's moves. Providing essential ground and air support, G.I. JOE troopers help ensure a mission's success with their superior skill and ferocious determination to win.