"Aim High ... Fly-Fight-Win." This is the motto of the United States Air Force, the country's military presence in the skies! This hi/lo title introduces readers to this important part of the military. Leveled text defines and explains the basics of the branch, the tools and equipment airmen use, and important missions they have completed. Profiles highlight an important piece of equipment and a mission. A map points to the branch's base locations. A full-spread profile of the branch summarizes notable information about the Air Force, including when it was established, its motto, and more.