On land, in the air, and at sea, powerful military machines are used for missions around the world. These machines have evolved over time to engage in battle or transport troops and supplies. The volumes in this informative set offer a close look at iconic military vehicles and their unique capabilities. Simple explanations and examples of various models help readers understand how military machines have been adapted to suit different needs. Fact boxes throughout define key terms and offer historical context. Through simple text and full-color photographs, readers will gain an understanding of these mighty machines and their place in history.