Superstar creators present unforgettable all-new G.I. Joe Silent Missions! The face of comic books changed forever when G.I. Joe: A Real American Hero #21 introduced fans to the 'Silent Interlude,' an action-packed story with no dialogue. Now, in a standalone silent issue from Andrew Krahnke (Bloodrik), Roadblock pits his .50 cal machine gun against a Cobra convoy led by the high-flying Wild Weasel.