After nearly 80 years of mystery, the wreck of the HMS Trooper, a British submarine that disappeared during World War II, was discovered in the depths of the Aegean Sea near the island of Donoussa.

Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II ... alone lost 783 U-boats and an estimated 30,000 crewmen. The interior of the submarine ...

Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II. A treasure trove of vital German intelligence, the submarine's capture was top-secret. See inside ...

Submarine warfare played a pivotal role in the ... Salvaging the U-505 German intelligence was vital during WWII, making recovery efforts for the sinking U-boat a top priority for the Navy task ...

The USS Cobia submarine sank 13 ships and rescued seven downed American pilots during World War II. The US Navy submarine is open to the public for tours at the Wisconsin Maritime Museum in Manitowoc.

German intelligence was vital during WWII, making recovery efforts for the sinking U-boat a ... whose toll included over 100,000 sailors and mariners and 3,500 merchant ships; Germany alone lost 783 U ...

At the Wisconsin Maritime Museum in Manitowoc, you can descend a steep staircase into the USS Cobia, a US Navy submarine that sank 13 ships and earned four battle stars in World War II.