The Battle of the Atlantic MARSHALL, 2006 Britain’s Lifeline Must Not Be Severed
Royal Navy: Greatest Navy in the World?
Destroyers for Bases
Britain needed to secure a supply line - Hitler tried to choke off that line…
Naval Race Revisited?
Can you remember who Bismarck was? Think 1870.
<ul><li>Who will win? </li></ul>Aircraft vs Ships:
Battle of Denmark Straits: HOOD was sunk with one shot - only a couple of men survived.
Revenge for the HOOD!
Tough Decisions Must be Made
ASDIC = Canadian/British SONAR System Anti- Submarine Detection Investigation Committee
As well as Corvettes and destroyers, minesweepers were crucial to detect dangers above and below the surface.
<ul><li>Depth Charges = drums of TNT (here loaded on a side-shooting “K Gun” </li></ul>Counter-measures: Destruction of the THREAT
Hedgehog Anti-submarine (A/S) Mortar
Not only submarines used torpedoes : ships and plane were also used as launch platforms.
Counter- measures: The CONVOY
THE MAP ROOM: ATLANTIC THEATRE
The no-rescue rule was not always followed… Canadian Destroyer
The Results: some statistics
Bringing the might of the USA economy to bear…
Ships lost: by theatre
Production by USA
Conclusions: <ul><li>The U-boats were successful - for the first half of the war. </li></ul><ul><li>North American help was essential for Britain. </li></ul><ul><li>The Allies used technology and tactics to drive the U-boats off the French and then North American coasts. </li></ul><ul><li>The Germans countered with “wolf-pack” tactics. </li></ul><ul><li>Convoys with naval escorts greatly increased security of merchant ships. </li></ul><ul><li>Ultimately it was aircraft that chased the U-boats to the centre of the Atlantic. </li></ul><ul><li>In the end, Hitler failed to starve Britain. </li></ul>Thanks, Marshall: You just gave me an excellent paragraph outline!