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The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest machine guns in the world.

Climb inside an Abrams M1A2 tank before it goes off to war and trace the tank’s journey from WWI to modern-day war machine.

Track the flight of a Tomahawk cruise missile and examine every key stage of its journey - launch, flight and target.

In 1954, disaster struck again when a third Comet jet airliner crashed, throwing the future of commercial aviation into question.

More than 190 people died when a British car ferry capsized off Zeebrugge in March 1987. Why were the bow doors left open?

Unravel a chain of critical events in the hours and minutes before the 9/11 attack.

Before the attack, how did the 9/11 plot slip through the cracks of American intelligence?

Get the minute by minute account of what happened that morning.

Japanese planes drop bombs on the USS Arizona.

Japan’s declaration of war on America arrived too late.

Examine the events and decision leading up to the attack.

When the attack hits, US carriers are at sea.

A routine training mission goes wrong when pilots hit a wire.

A packed cable car is on its way to the top when a plane cuts the wire.

The pilots reveal some startling details from the flight.