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%
16%
70%
12%
24
flagCanada
15%
6%
60%
15%
45
flagthe United States
7%
16%
59%
15%
722
flagthe United Kingdom
12%
12%
58%
14%
484
flagGermany
13%
13%
58%
13%
188
flagBelgium
20%
5%
55%
20%
20
flagPoland
11%
17%
54%
16%
16057
flagAustralia
9%
19%
54%
13%
51
flagthe Netherlands
14%
14%
54%
18%
50
flagFrance
8%
18%
54%
13%
37
flagSwitzerland
15%
21%
52%
10%
19
flagSpain
23%
7%
50%
15%
26
flagRepublic of Ireland
28%
6%
48%
14%
49
flagItaly
10%
21%
47%
21%
19
flagNorway
17%
17%
46%
17%
45
flagUnknown
13%
20%
43%
21%
709
flagIndia
22%
27%
40%
9%
62
flagJapan
7%
23%
38%
30%
13
flagthe Philippines
38%
23%
30%
7%
13

Gender

men50%
women44%
it was a great success and the main threat for US Navy
10%
13%
it was a success, over 50 ships were sunk
18%
17%
it was a disappointment
50%
44%
it was never used
19%
24%

Language versions

question
answers
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How successful were the human torpedoes, developed by the Japanese during the WW2?
1215
55%

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