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.
(00:34)In 1954, disaster struck again when a third Comet jet airliner crashed, throwing the future of commercial aviation into question.
(01:00)Unravel a chain of critical events in the hours and minutes before the 9/11 attack.
(00:52)Many of the 9/11 hijackers were flagged and screened with extra scrutiny before boarding their flights.
(03:00)Before the attack, how did the 9/11 plot slip through the cracks of American intelligence?
(02:47)When the attack hits, US carriers are at sea.
(03:02)Japan’s declaration of war on America arrived too late.
(03:01)When the attack hits, US carriers are at sea.
(02:47)On a quiet Sunday morning, the Japanese prepare for war.
(02:42)A routine training mission goes wrong when pilots hit a wire.
(03:01)The military launch an investigation into the incident.
(03:01)The pilots reveal some startling details from the flight.
(02:56)There were no survivors in the wreckage.
(00:40)Thousands of choking, coughing patients flood the hospital.
(03:04)Patients who had inhaled the MIC gas died almost instantly.
(02:53)How did the deadly gas MIC escape into the air?
(02:58)A sequence of plant management failures led to the disaster.
(02:41)Students from central Russia board a fateful plane to Barcelona.
(02:56)Crews were trained to follow air traffic control command.
(02:41)A family member of a victim takes revenge.
(02:56)