Something went wrong, please try again later. Invalid email Something went wrong, please try again later. Sign up for our what's on newsletter for the perfect guide to making the most of your free time. The Battle of the Atlantic was the longest and arguably the most decisive campaign of the Second World War and ran throughout the entire six-year conflict. One of the most important factors of the Battle of the Atlantic was logistics and, more pertinently, the ability of Britain to maintain vital supply routes through its North Atlantic shipping routes. This year will mark the 80th anniversary...