Watch Portrait of Courage: The Untold Story of Flight 93

A hero is someone who chooses to do the right thing at the right time, regardless of the consequences. On September 11, 2001, the passengers and crew of United Airlines Flight 93 were faced with the ultimate test of courage. It was the only one of four commercial airliners hijacked by terrorists on 9-11 that was thwarted in its mission to slaughter thousands of innocent Americans.