Narrator This is the smokejumper school in Montana, U.S.A. Here,people learn how to be smokejumpers, special firefighters trained to fight wildfires. On average, there are about 100,000 wildfires in the U.S. every year. And in the summer heat, these fires can become very big. Every year, more people want to be smokejumper. Most of the students are already firefighters.