O'Brien's Going After Cacciato focuses on the experience of Paul Berlin during the Vietnam War. This section, "Night March" depicts Paul's first day. What is significant about how this chapter is structured - is it completely linear? What purpose do Paul's day dreams serve? Why does Paul attempt to keep himself distant from the other men? What does Cacciato mean when he tells Paul, "You'll do fine... You got a terrific sense of humor"? How is humor important?