Colonel Barkley is very proud of his assistant, Sergeant Doubleday, who has a photographic memory. Doubleday shows off his book knowledge on firearms during a class given by Sergeant Ames, e... Read allColonel Barkley is very proud of his assistant, Sergeant Doubleday, who has a photographic memory. Doubleday shows off his book knowledge on firearms during a class given by Sergeant Ames, embarrassing him.Colonel Barkley is very proud of his assistant, Sergeant Doubleday, who has a photographic memory. Doubleday shows off his book knowledge on firearms during a class given by Sergeant Ames, embarrassing him.