Mari Bolte 
Tanks in Action [PDF ebook] 

Tanks are the toughest vehicles in the US military. Tanks can roll across almost any surface. They are hard to destroy and can lead the charge in dangerous places. These tough armored vehicles protect soldiers and attack enemies on the battlefield. There are several types of tanks to perform different jobs, but they all require teamwork and special features to operate. Explore their armor and tactics, and find out how tanks control the battlefield.