National Geographic - Ocean Wreck Investigation (2021) Part 1 Assassins of the Deep

The documentary series “Ocean Wreck Investigation” examines the reasons why ships sink. What secrets can one still find out from the undersea wrecks - and what dangers do they sometimes harbor? Be it forgotten events, spectacular accidents or armed conflicts - there are different backgrounds for the tragedies that have happened on board the ships. Working alongside divers, wreck investigators and archaeologists, the series tells the stories of the final moments of ships and those on board as they meet disaster. Unpicking the evidence of the wreckage with state of the art CGI and the latest underwater technology and combining it with powerful personal testimony brings out the a human side of these tragedies as well as revealing the answers to the questions of what happened and why.

Part 1 Assassins of the Deep

We explore three different German U-Boat wrecks from the First and Second World War with marine archaeologist Dr Innes McCartney. In the story of UC66, we learn how it was the first German U-Boat to be sunk by a plane. In the story of the otherwise successful U-Boat U87 we hear how it was sunk in the Irish Sea after being rammed by an Allied ship. The final story follows the sinking of the rubber coated U-Boat U480, the world's first stealth sub.

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