First Happy Time
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The early phase of the Battle of the Atlantic during which Kriegsmarine U-boats enjoyed significant success against Allied warships and merchantmen was referred to by U-boat crews as the Happy Time (Template:Langx),[1] and later the First Happy Time, after a second successful period was encountered.
It started in July 1940, almost immediately after the Fall of France, which brought the German U-boat fleet closer to the British shipping lanes in the Atlantic. From July 1940 to the end of October, 282 Allied ships were sunk off the north-west approaches to Ireland for a loss of Script error: No such module "Unsubst". of merchant shipping.[2]
The reason for this successful Axis period was the British lack of radar and huff-duff-equipped ships which meant that the U-boats were very hard to detect when they made nighttime surface attacksTemplate:SndASDIC (sonar) could only detect submerged U-boats.
When it ended is a matter of interpretation, with some sources claiming October 1940[3] and others extending it to April 1941,[4] after the Germans lost three prominent U-boat commanders: Günther Prien, Joachim Schepke, and Otto Kretschmer.[5]
See also
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References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Blouet, Brian W. Global Geostrategy: Mackinder and the Defence of the West, p. 131
- ↑ Hughes, Terry; Costello, John. The Battle of the Atlantic, p. 88
- ↑ Macintyre, Donald G. F. W. The Naval War Against Hitler, p. 52
- ↑ Script error: No such module "citation/CS1".
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