Firefighter Jack Pritchard fearlessly charges into blazing infernos to rescue victims, and when Hurricane Katrina pounds New Orleans, John Keller steps up to save residents of his apartment building.
Test pilot Joe Kittinger volunteers to be the first man to parachute jump from the edge of space, and Air Force researcher Dr. John Stapp straps himself into rocket sleds to test the limits of human endurance.
Drew Dix and a small handful of soldiers liberate an entire city from two enemy battalions during the Vietnam War, and Russian soldier Viktor Leonov vanquishes superior German forces in the Arctic battlegrounds of World War II.
George Rowe is a former criminal who goes undercover to bust a motorcycle gang, and the Masin brothers lead a resistance cell against Communist oppression in Czechoslovakia.
Vietnam War sniper Carlos Hathcock takes on deadly covert missions, and Max Hardberger recovers illegally seized cargo ships out of dangerous third world ports.
Rookie pilots George Welch and Kenneth Taylor battle the Japanese over Pearl Harbor, and ace fighter pilot Chuck Yeager becomes the first person to break the sound barrier.