Spy Web

Berlin has always been a hotbed of espionage. Uncover the secrets under the Kaiser, during the tyranny that was Hitler's Third Reich and the Cold War that followed the destruction of the Nazis.

From early days of biplanes to today's spy satellites, the spies in the sky have proved to be an enduring component of modern warfare.

During World War II, German intelligence spread across the globe, operating throughout occupied and neutral Europe and even as far afield as the U.S. See how this foe became totally compromised.

The history of U.S. Army intelligence, from its Revolutionary War Roots to the World Wars, Cold War and Vietnam, culminating in in electronic intelligence units, first used in the Gulf War.

In addition to serving as a national police force, the FBI handles violations of U.S. espionage laws by foreign agents. Probe the department's history from the G-man era to the post-Cold War world.

Examine how air missions in Europe supported the work of the Office of Strategic Services in World War II, and how the B-24 and B-27 planes were used to drop supplies to resistance groups.