The theme that is suggested by the story's setting is The time to question authority
The story is set in a battlefield in World War II where a crazed squad leader believes he sees a ghost moving among the enemy lines and asks his men to go and investigate even though that would mean certain death for them. His men refuse to carry out the order and are eventually court-martialed,
The theme based on the setting of the story is that it was a good time to question authority on its absurd and senseless orders.
