Get a behind-the-scenes insider's view of the 9/11 memorial "Reflecting Absence" from conception to on-site installation at Ground Zero.

Meet key players in the creation of the National World War II Memorial, including designer Fredrich St. Florian, volunteer chairman Bob Dole, and WWII veteran Roger Durbin, whose idea led to its existence.

The U.S. pays in human lives for the tragic mistakes of its military leaders. Robert Vaughn looks at American combat history.