In December 1941 HG-76 sailed from Gibraltar to Britain and was specially targeted by a wolfpack of U-boats whilst, in a rare example of German inter-service cooperation, the Luftwaffe pounced from French airfields. In Gibraltar and Spain, German intelligence agents had known every detail of HG-76 before it had even sailed.
Nonetheless, the convoy fought its way through. Improved radar and sonar gave the convoy's escorts an edge over their opponents, and the escort group was led by Commander Walker, an anti-submarine expert who had developed new, aggressive U-boat hunting tactics. The convoy was also accompanied by HMS Audacity, the Royal Navy's first escort carrier – a new type of warship purpose-built to defend convoys from enemy aircraft and U-boats.
Through seven days and nights of relentless attack, the convoy reached the safety of a British port for the loss of only two merchant ships. Its arrival was seen as the first real convoy victory of the war.
To find out more about this, one of the most dramatic maritime stories of the Second World War, Dr Sam Willis spoke with Angus Konstam, author of a new book 'The Convoy HG-76: Taking the Fight to Hitler's U-boats' that brings the story to life.
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