Mari Bolte 
Warships in Action [PDF ebook] 

Set sail with the US Navy’s powerful fleet of warships. From protecting the open seas to guarding the nation’s coastlines, these ships take on the most important jobs in the US military. Some of these speedy ships sail above the water’s surface, and some even sail below it. They carry jets, transport soldiers, and fire weapons. Learn more about the special equipment warships use and why they are so important to the military.