Ex-CIA agent Ben Smith and a retired FBI officer journey through the Jungles of Burma in search of answers to a family mystery. They are searching for a crashed WWII plane that went down in this little-known, but important, theater of WWII, the perilous “Hump” - an airbridge over the Himalayas.

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Former CIA officer Ben Smith and retired FBI agent Bill Huba pursue a lost World War II plane through Myanmar's jungle, tracing one pilot's disappearance back to the perilous Hump airbridge over the Himalayas. As the search unfolds, the film reveals why this little-known theater mattered, turning a personal quest into a gripping window on sacrifice, logistics, and wartime history.

A family mystery leads deep into Burma's jungle and wartime skies.

Ex-CIA agent Ben Smith and a retired FBI officer journey through the Jungles of Burma in search of answers to a family mystery.

MIA: Hunt for a WWII Plane

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The I-400 was one of the Imperial Japanese Navy's Sen Toku-class submarines, which were the largest submarines ever built before the age of nuclear-powered subs. These massive vessels were longer than a football field and were used as submarine aircraft carriers.

Off the coast of Oahu, maritime archaeologists descend more than 1,500 feet to investigate a wreck believed to be the I-400, a Japanese submarine aircraft carrier unlike any other of its time. As the evidence comes into focus, the film reveals how this massive secret weapon was built, deployed, and ultimately lost. Sign up to uncover a remarkable chapter of naval innovation and wartime history.

Deep off Oahu, divers hunt a vanished World War II supersub.

The I-400 was one of the Imperial Japanese Navy's Sen Toku-class submarines, which were the largest submarines ever built before the age of nuclear-powered subs.

Search for Japan's Lost Supersub

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An original series that tells the often unknown stories of the men and women who have defined America and its place in the world.

Go beyond familiar names to uncover the lesser-known stories of the men and women who defined America and its place in the world. From the rise of modern celebrity to leadership, invention, and liberty, each episode reveals how public lives helped shape national identity. Sign up to see these icons with fresh context and sharper meaning.

Der Zweite Weltkrieg

MIA: Hunt for a WWII Plane

Search for Japan's Lost Supersub

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