A diary handed down through three generations has helped find the wreck of a German U-boat sunk by a secret Royal Navy Q-ship in 1917. Henrietta Sandford, from Helston, shared diaries and letters ...

This would not have made a difference to a WW1 U-boat commander hunting slow merchant ships. But it could make a difference today where handheld rocket propelled grenades are fired at short range ...

The weapon would be the submarine, U-boats. On a desolate mud bank in the salt marshes of Kent lies the metal carcass of a First World War German U-boat. British ships were blockading German ports ...