A pilot steers her plane over enemy land. An airman fixes the plane when she returns. Members of the United States' Air Force work day and night to keep the country safe. With carefully leveled text and age-appropriate content, this nonfiction beginning reader is full of action-packed photography and fascinating facts. Easy-to-read infographics develop visual literacy. On-page vocabulary definitions, a table of contents, a glossary with pronunciations, further resources, and an index all enhance comprehension.