Our Army at War (1952) #83

Story : Sgt. Rock: "The Rock and the Wall!" Sgt. Rock meets Joe Wall, who is nicknamed "The Wall", a braggart who boasts about his superior skill. When the two board a damaged aircraft to operate it's side guns, The Wall uses it as an opportunity to try and compete with the Rock. However, Rock's modesty in combat, and his self sacrifice, helping The Wall fire his gun when he's wounded shows to Joe Wall that the Rock is a superior soldier. Writer Robert Kanigher Pencilers Joe Kubert Inkers Joe Kubert