We've heard the story of Japan's attack on Pearl Harbor during WWII, but did you know there was a second surprise designed to devastate America's mainland? We've seen the famous footage of the Hindenburg airship disaster... but was it the worst airship crash ever? Not by a long shot. And what about the first astronaut to be in space for more than 24 hours- Gordon Cooper....How did he manage to pilot his Faith 7 spacecraft after a complete system failure? Plus, can you believe when the United States astronauts first walked on the Moon- the Soviets were there, too? Moniaci uncovers the stories behind some of the biggest disasters, threats and conquests that took place in America's skies.