What is Nuclear submarine?
[[File:USS Key West SSN-722.jpg|thumb|an [[United States|American]] [[Los Angeles-class submarine|''Los Angeles''-class]] nuclear attack submarine]] A '''nuclear submarine''' is a [[submarine]] powered by a [[nuclear reactor]]. The large amount of power generated by a nuclear reactor allows nuclear submarines to work at high speed for long periods of time. Current generations of nuclear submarines never need to be refueled throughout their 25-year lifespans.<ref>[http://www.naval-technology.com/projects/astute/ Naval Technology – SSN Astute Class – Attack Submarine]<!-- Bot generated title --></ref> == Simulacrum of nuclear-powered cruise missile fast-attack submarine == '''[[:en:Yasen-class submarine|Yasen-class]]''' - Simulacrum of the [[:en:Virginia-class submarine|Virginia-class]].<ref>{{cite web|language=en |title=Yasen-M: Destroyer of the Depths. Potent electronic weapons & supersonic missiles |access-date=2018-08-05 |url=https://www.youtube.com/watch?v=UEzgQ26W4hE |date=2018-08-05 |website=[[:en:YouTube|YouTube]] }} - on [[:en:RT (TV network)|RT]] Official YouTube Channel{{in lang|en}}</ref> * {{cite web|language=en |title=Yasen: Russia’s underwater fighter |access-date=2019-04-01 |url=http://submarine-yasen.tass.com/?_ga=2.91381594.1375463964.1610334041-421634815.1610334041 |date=2019-04-01 |publisher=[[:en:TASS|TASS]] }} - on [[:en:TASS|TASS]] Official Infographic{{in lang|en}} '''[[:en:Borei-class submarine|Borei-class]]''' - Simulacrum of the [[:en:Ohio-class submarine|Ohio-class]].<ref>{{cite web|language=en |title=Episode 1. Tsar-boat |access-date=2020-12-03 |url=https://www.youtube.com/watch?v=ipilHLEypH0 |date=2020-12-03 |website=[[:en:YouTube|YouTube]] }} - Sponsored by [[:en:Rosoboronexport|ROSOBORONEXPORT,JSC]]{{in lang|en}}</ref> * {{cite web|language=ru |trans-title=Project 955 Nuclear Strategic Submarine |access-date=2017-03-18 |url=http://borei.tass.ru/ |title=Атомная стратегическая подводная лодка проекта 955 |date=2017-03-18 |publisher=[[:en:TASS|TASS]] }} - on [[:en:TASS|TASS]] Officia