The Battle of the Atlantic
The battle of the atlantic was the longest battle in the war. The German navy's goal was to get rid of Allied ships that were sending extra supplies to the British in need.
At the start, the U-boats had the upper hand. These boats had sunken 143 Allied cargo ships.
By mid-1943, the Allies were winning. They had more experienced and better trained crews, and submarine-tracking tactics as well as technology was improved. Their air force and navy had also improved and defending and grown in numbers.
What did the Canadians do?
Convoys were guarded and protected by Canadian planes and ships. Canada's navy consisted of 13 ships and 13 000 members. By the end of the war, Canada was the fourth-largest navy in the world, having 375 ships and 110 000 members. 2000 Canadians died from the navy and more than 1600 Canadian and Newfoundland merchant mariners were killed.