Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.

Dr Sam Willis discovers how the British artist Norman Wilkinson developed dazzle camouflage to protect ships from German U-boats in WW1 WW1: Why was the first day of the Somme such a disaster?

They knew that at any moment, German U-boats could descend upon them ... Simmonds gave an approximate location of where the ship went down in his report, but the exact site was never verified.

The search we organised had as its aim the locating of all ships of the German squadron ... further light on what was a defining point in WWI, and therefore a landmark moment in modern history.

The Germans sank two of the four British ships with the loss of more than 1,600 lives. Not a single German sailor died. The defeat at Coronel sent shock waves through the British empire and beyond.

More than 500 of the ship's crew died when it was attacked by a German U-boat in October 1914. The ship caught fire and, following an explosion, sank in less than eight minutes with just 70 ...

Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators sank ...