Profiling the six men photographed raising the U.S. flag over Iwo Jima during World War II, inspiring the Marine Memorial in Washington, D.C.

The development of U.S. Army paratroopers---including the 101st Airborne "Screaming Eagles"---is recalled from World War II to the 21st century. Included: the 101st's legendary stand at Bastogne during 1944's Battle of the Bulge. Oliver North hosts.

Normandy.

The use of animals to assist U.S. armed forces is recalled. Included: dolphins used to seek enemy divers in Vietnam; bats trained to deliver bombs during WWII; a cat used by the CIA as a surveillance operative during the Cold War.

The story of U.S. Army Air Force pilots bombardiers, gunners and navigators who battled Axis opponents over the skies of Europe during World War II.

The 1942 Battle of Midway is recalled in a review of naval tactics and efforts by U.S. intelligence to discern the intentions of the Japanese fleet, which lost four carriers.

In the aftermath of the Japanese attack on Pearl Harbor, Lt. Col. James Doolittle led a bombing raid on Tokyo, Japan.

A look back at the 10th Mountain Division in World War II, an elite group of soldiers who donned skis to battle the enemy in the Italian mountains. Also: Former Sen. Bob Dole (R-Kan.), a veteran of the unit, reflects on his four-year struggle to recover from the wounds he suffered there.

Secret missions of the 1st Air Commandos during World War II.