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
75%
18%
6%
0%
16
flagFinland
63%
36%
0%
0%
11
flagNorway
46%
33%
20%
0%
15
flagFrance
40%
30%
30%
0%
10
flagthe United States
37%
43%
14%
4%
118
flagthe United Kingdom
37%
35%
27%
0%
97
flagthe Netherlands
37%
6%
56%
0%
16
flagPoland
30%
38%
28%
2%
4463
flagIndia
30%
50%
10%
0%
10
flagGermany
25%
49%
23%
1%
59
flagUnknown
18%
44%
32%
4%
516
flagRepublic of Ireland
15%
69%
15%
0%
13

Gender

men23%
women31%
it needs no oxygen
23%
31%
it needs no frequent refuelling
40%
37%
it is silent
32%
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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