Sands of Iwo Jima - ROLE 1: Sgt. John M. Stryker (John Wayne). Hardened Marine sergeant Stryker has fought in combat and watched good men die in the Second World War. He's determined to train the new combat replacements in his rifle squad for the horrors that are to come. In a speech to the men, Stryker introduces himself and tells them what to expect. Note: Yoostar scenes are often available both as single video clips and in scene packs. Please consider your purchase carefully before downloading.