How successful were the human torpedoes, developed by the Japanese during the WW2?

it was a great success and the main threat for US Navy
it was a success, over 50 ships were sunk
it was a disappointment
it was never used
Kaitens had a very limited diving depth, which in turn limited the diving depth of the host sub­ma­rine. This is one of several factors blamed for the very poor survival rate of sub­marines armed with kaitens: eight sub­marines being lost for the sinking of only two enemy ships and damaging several others.

Answers distribution

it was a great success and the main threat for US Navy
it was a success, over 50 ships were sunk
it was a disappointment
it was never used
answers
flagNew Zealand
6%
0%
81%
12%
16
flagSweden
0%
24%
65%
10%
29
flagthe United States
7%
16%
60%
14%
781
flagGermany
11%
12%
60%
13%
228
flagCanada
15%
6%
60%
15%
45
flagthe United Kingdom
11%
12%
58%
14%
528
flagAustralia
9%
18%
58%
12%
55
flagPoland
10%
16%
54%
16%
19734
flagthe Netherlands
15%
15%
54%
15%
59
flagFrance
7%
17%
53%
15%
39
flagSwitzerland
14%
19%
52%
14%
21
flagBelgium
22%
4%
50%
22%
22
flagRepublic of Ireland
27%
5%
49%
15%
51
flagNorway
19%
19%
46%
15%
52
flagItaly
10%
20%
45%
25%
20
flagSpain
24%
10%
44%
17%
29
flagUnknown
13%
21%
42%
22%
1468
flagJapan
10%
30%
40%
20%
20
flagIndia
22%
27%
39%
10%
68
flagthe Philippines
33%
20%
33%
13%
15

Gender

men48%
women43%
it was a great success and the main threat for US Navy
11%
13%
it was a success, over 50 ships were sunk
19%
18%
it was a disappointment
48%
43%
it was never used
20%
24%

Language versions

question
answers
results
flag
How successful were the human torpedoes, developed by the Japanese during the WW2?
1321
55%

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