An hour later a passing coaster noticed a large submarine diving stern first. HMS M2 was found on the bottom eight days later. The hangar door was open and the aircraft still in it.

British Royal Navy Submarine HMS Triumph, N18, at sea, date not given. / Getty Images The last attack by the vessel is believed to have been against an Axis cement freighter.

Two experienced divers died when they ran out of air during a dive on a sunken warship, an inquest confirmed. Plymouth Coroner's Court heard Mark Gallant, 49, and Andrew Harman, 40, died during ...

The Diving Unit of the Sri Lanka Navy explored the sunken remains of HMS Hermes, a fascinating and historic World War II shipwreck off Batticaloa. ..