eli5 Why didn’t the US or other countries make a similar submarine to counter Uboats?

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I’m watching a ton of WW2 documentaries and can’t help but think why they didn’t make a counter to the German Uboats other then depth charges and the hedgehog. Surely with the money and resources the US or other countries could of made a sub during that time.

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Anonymous 0 Comments

How would you FIND them?

Sonar was in its infancy. Uboats patrolled at periscope depth to find floating ships to attack. Much easier to use the Mark One Eyeball to spot when you surface and sweep 360 degrees. A periscope and you can see a freighter to sink that’s MILES away.

But trying to cram very early SONAR type technologies onto an equivalent-sized anti-Uboat Uboat, and then scan the millions and millions of cubic yards of ocean around you?

That would have been an extremely serious engineering challenge given what they had at the time.

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