battle of the atlantic: canada
DESCRIPTION
A Social Studies 11 presentation outlining tactics and technology.TRANSCRIPT
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MARSHALL, 2006
Britain’s Lifeline Must Not Be Severed
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Royal Navy: Greatest Navy in the World?
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Destroyers for Bases
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Britain needed to secure a supply line - Hitler tried to choke off that line…
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Naval Race Revisited?
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Can you remember who Bismarck
was? Think 1870.
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Aircraft vs Ships: Who will win?
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Battle of Denmark Straits: HOOD was sunk with one shot - only a couple of men survived.
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Revenge for the HOOD!
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The Threat
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.
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The Effect
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Counter-measures: Detection
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Tough Decisions Must be Made
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Leigh Light
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ASDIC = Canadian/British SONAR
System
Anti-SubmarineDetectionInvestigationCommittee
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As well as Corvettes and destroyers, minesweepers were crucial to detect dangers above and below the surface.
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ENIGMA/ULTRA
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Counter-measures: Destruction of the THREAT
Depth Charges = drums of
TNT(here loaded on a side-shooting “K Gun”
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Hedgehog Anti-submarine (A/S) Mortar
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Not only submarines used torpedoes: ships and plane were also used as launch platforms.
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Counter- measures:
The CONVOY
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THE MAP ROOM: ATLANTIC THEATRE
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CORVETTES
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BUT…
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The no-rescue rule was not always followed…
Canadian Destroyer
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The Results: some statistics
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Bringing the might of the USA economy to bear…
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Ships lost: by theatre
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Production by USA
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Conclusions:Conclusions:
• The U-boats were successful - for the first half of the war.• North American help was essential for Britain.• The Allies used technology and tactics to drive the U-
boats off the French and then North American coasts.• The Germans countered with “wolf-pack” tactics.• Convoys with naval escorts greatly increased security of
merchant ships.• Ultimately it was aircraft that chased the U-boats to the
centre of the Atlantic.• In the end, Hitler failed to starve Britain.
Thanks, Marshall: You just gave me
an excellent paragraph outline!