The U.S. Armed Forces series introduces young readers to the history, purpose, people, technology, and important missions of each military branch. Each book in this series includes timelines, charts, graphs, diagrams, maps, and vibrant photos to engage young readers and inspire a love of reading. U.S. Armed Forces is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more.