(narrator) sam fuller made his first combat film in 1950.e serving in world war ii, he was a hobo, reporter and screenwriter. (sirens) many filmmakers served their country, william wyler john huston john ford darryl zanuck and actors like robert montgomery and lee marvin. combat films were transformed by their experiences of battle. (explosion) in may 1944, lieutenant-colonel d. zanuck was stationed in england directing the signal corps unit. ♪ there'll be a hot time ♪ in the town of berlin ♪ when the yanks ♪ go marchin' in ... ♪ (narrator) the allied armies were forming the largest invasionary force of the 20th century. zanuck's job was to document their training followed by the d-day invasion. ♪ when the brooklyn boys ♪ begin ♪ to take the joint apart ♪ and tear it down ♪ when they take ♪ old berlin ♪ (narrator) sam fuller was a lieutenant in the big red one infantry stationed near exeter. he was training for the landing of americans on omaha beach. the big red one's task was to punch a hole in the enemy, then form a beachhead through whic