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%
80%
13%
15
flagSweden
0%
19%
66%
14%
21
flagLithuania
0%
7%
61%
30%
13
flagGermany
11%
13%
60%
13%
169
flagthe United States
8%
17%
58%
14%
633
flagthe Netherlands
14%
11%
57%
16%
42
flagthe United Kingdom
13%
13%
55%
15%
414
flagPoland
11%
17%
53%
16%
13330
flagCanada
17%
7%
53%
17%
39
flagAustralia
10%
19%
52%
15%
46
flagItaly
11%
16%
50%
22%
18
flagUnknown
12%
21%
48%
14%
74
flagRepublic of Ireland
31%
7%
46%
12%
41
flagSwitzerland
20%
20%
46%
13%
15
flagSpain
22%
9%
45%
18%
22
flagNorway
17%
20%
42%
20%
40
flagFrance
10%
21%
42%
17%
28
flagBelgium
28%
0%
42%
28%
14
flagIndia
22%
27%
40%
8%
61
flagthe Philippines
38%
23%
30%
7%
13

Gender

men54%
women44%
it was a great success and the main threat for US Navy
9%
13%
it was a success, over 50 ships were sunk
17%
16%
it was a disappointment
54%
44%
it was never used
17%
25%

Language versions

question
answers
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How successful were the human torpedoes, developed by the Japanese during the WW2?
1091
54%

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