Battle of the Atlantic (World War 2 Battles)

Imagine a battlefield of millions of square miles, with an enemy that was often invisible when it struck. Imagine a convoy of ships carrying vital supplies from North America to Great Britain, at the mercy of the deadly marauders under the water, waiting to attack them. The Battle of the Atlantic, the longest campaign of World War II, took place upon the Atlantic Ocean as the Allies traveled back and forth from North America to Great Britain with desperately needed oil, provisions, weapons,...