Coastal defense and maritime law are the U.S. Coast Guard's primary duties. Readers will learn this and more through this title, which explores the U.S. Coast Guard through the perspective of a child whose sister is currently in its service. The text teaches readers about the joys and struggles of having a family member in the military to demonstrate how important service members' sacrifices are. Readers also learn about the branch's past and present, as well as career opportunities the coast guard offers. Fact boxes and photographs help explore other topics, such as military technology, lifestyle, and more.