John Cox has been tapped to write the new film, Sgt. Rock.

The film is an adaptation of DC Comics' World War II adventure series being produced by Joel Silver for Warner Bros. Pictures, and is about Sergeant Frank Rock. The Hollywood Reporter says Rock was the leader of his infantry unit, Easy Company; he first appeared in a 1959 issue of Our Army at War. In 1977, the comic was renamed Sgt. Rock and ran until 1988.

Look for a production start date later this year.