USA HISTORY

WORLD WAR II 1941 1945

THE START OF THE SECOND WORLD WAR

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which was not a new type of technology used to locate and attack German u-boats?

A	radar
B	sonar
C	doppler
D	depth charges

Explanation:

Detailed explanation-1: -ASDIC / Sonar This was the main detection device used on a submerged U-boat in World War Two and has been dramatized in numerous movies through its distintive “ping” sound.

Detailed explanation-2: -The introduction of aircraft carriers, Very Long Range aircraft and roving ‘support groups’ of warships eventually defeated the U-boats at the end of May 1943.

Detailed explanation-3: -Improving spring weather by April, modern radar equipment, repenetration of the U-boat codes, new escort aircraft carriers, very-long-range patrol aircraft, and aggressive tactics had resulted in a major defeat of Germany’s submarine fleet by May.

Detailed explanation-4: -The use of ASDIC (SONAR) became widespread and so did the installation of shipboard and airborne radar. The Allies Ultra code breaking allowed convoys to be steered around German U-Boat wolfpacks.

There is 1 question to complete.