Describes the battles that took place at six different forts during the Civil War: Sumter, Henry and Donelson, Vicksburg, Wagner, and Fisher.

Looks at the history of homeland defense in the United States and changes that were made after the terrorist attacks of September 11, 2001, especially the development of the Office of Homeland Security.

Discusses the history of our national security, the controversy over civil liberties, and the steps being taken to safeguard our country after the 2001 attacks.

Since its inception in 1958, the Defense Advanced Research Projects Agency, or DARPA, has grown to become the Defense Department's most secret, most powerful, and most controversial military science research and development agency. Created by President Eisenhower to prevent another Sputnik, and to focus primarily on defensive programs against nuclear weapons, the agency--and its imagination and scope--has expanded enormously with each passing year....