The army is the largest and oldest service of the U.S. military. Tasked with protecting and defending the country on the ground, members of the U.S. Army go through tough training and work in many different fields. Readers of this gripping volume take a look at the history of this branch, as well as the modern technology involved in the service. Colorful photographs offer a glimpse of what life is like for soldiers and show off some interesting army equipment and technology.