Battle of the Atlantic: Canada

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A Social Studies 11 presentation outlining tactics and technology.

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  • Anti-Submarine Detection Investigation Committee
  • Battle of the Atlantic: Canada

    1. 1. The Battle of the Atlantic MARSHALL, 2006 Britain’s Lifeline Must Not Be Severed
    2. 2. Royal Navy: Greatest Navy in the World?
    3. 3. Destroyers for Bases
    4. 4. Britain needed to secure a supply line - Hitler tried to choke off that line…
    5. 5. Naval Race Revisited?
    6. 6. Can you remember who Bismarck was? Think 1870.
    7. 8. <ul><li>Who will win? </li></ul>Aircraft vs Ships:
    8. 9. Battle of Denmark Straits: HOOD was sunk with one shot - only a couple of men survived.
    9. 10. Revenge for the HOOD!
    10. 11. The Threat
    11. 12. <ul><li>. </li></ul>
    12. 14. The Effect
    13. 17. Counter-measures: Detection
    14. 19. Tough Decisions Must be Made
    15. 20. Leigh Light
    16. 21. ASDIC = Canadian/British SONAR System Anti- Submarine Detection Investigation Committee
    17. 22. As well as Corvettes and destroyers, minesweepers were crucial to detect dangers above and below the surface.
    18. 23. ENIGMA/ULTRA
    19. 24. <ul><li>Depth Charges = drums of TNT (here loaded on a side-shooting “K Gun” </li></ul>Counter-measures: Destruction of the THREAT 
    20. 27. Hedgehog Anti-submarine (A/S) Mortar
    21. 28. Not only submarines used torpedoes : ships and plane were also used as launch platforms.
    22. 32. Counter- measures: The CONVOY
    23. 33. THE MAP ROOM: ATLANTIC THEATRE
    24. 36. CORVETTES
    25. 38. BUT…
    26. 40. The no-rescue rule was not always followed… Canadian Destroyer
    27. 41. The Results: some statistics
    28. 42. Bringing the might of the USA economy to bear…
    29. 43. Ships lost: by theatre
    30. 44. Production by USA
    31. 46. 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!

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