What is the main reason to use nuclear reactor on a submarine?

it needs no oxygen
it needs no frequent refuelling
it is silent
it is small
Nuclear reactor requires no oxygen for com­bus­tion and emits no exhaust gas. It gives the sub­ma­rine the ability to operate sub­merged at high speeds, for un­lim­it­ed periods, de­pen­dent only on the en­durance of its crew. Nuclear power rev­o­lu­tion­ized the sub­marine, finally making it a true "un­der­wa­ter" vessel, rather than a "sub­mersible" craft.

Answers distribution

it needs no oxygen
it needs no frequent refuelling
it is silent
it is small
answers
flagItaly
80%
13%
6%
0%
15
flagNorway
46%
33%
20%
0%
15
flagthe Netherlands
42%
7%
50%
0%
14
flagFrance
40%
30%
30%
0%
10
flagthe United Kingdom
39%
35%
25%
0%
76
flagthe United States
37%
42%
14%
4%
117
flagPoland
33%
36%
27%
2%
3172
flagGermany
25%
47%
25%
1%
51
flagUnknown
21%
43%
30%
4%
23
flagRepublic of Ireland
16%
66%
16%
0%
12

Gender

men29%
women32%
it needs no oxygen
29%
32%
it needs no frequent refuelling
37%
36%
it is silent
30%
28%
it is small
2%
2%

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What is the main reason to use nuclear reactor on a submarine?
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Author: Riho Ishii
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