In this chapter, we learn that the survey corps is outside the walls of the city, preparing for an attack on the city. The garrison's class soldiers are the first to enter the city and they are being trained to fight. They are told that they are to take the vanguard position and kill as many people as they can, but they are also to guard the rearguard positions, where the elite soldiers will guard the front lines. The narrator tells us that the main reason humanity has driven the city into a corner is the fact that the city is surrounded by the sea, which is so large that it cannot be depleted.