https://www.youtube.com/watch?v=VBA_4Oj1Tto
https://news.sky.com/story/vladimir-putin-warns-us-and-uk-as-new-missile-hits-ukraine-13258105
https://news.sky.com/story/ukraine-fires-uk-supplied-missiles-at-targets-inside-russia-13256037
https://www.reuters.com/world/europe/putins-options-ukraine-missiles-response-includes-nuclear-test-experts-say-2024-09-13/
https://thebulletin.org/premium/2024-11/united-kingdom-nuclear-weapons-2024/
https://armscontrolcenter.org/wp-content/uploads/2020/04/UK-Factsheet_updated.pdf
https://news.sky.com/story/britain-directly-involved-in-ukraine-war-russian-ambassador-tells-sky-news-13257896
https://www.gov.uk/government/publications/uk-royal-navy-submarines/types-of-uk-royal-navy-submarine
https://www.royalnavy.mod.uk/equipment/submarine/vanguard-class
http://www.armedforces.co.uk/Europeandefence/edequipment/edsea/edsea1a14.htm
https://www.gov.uk/government/publications/uk-nuclear-deterrence-factsheet/uk-nuclear-deterrence-what-you-need-to-know
https://carnegieendowment.org/emissary/2024/11/russia-nuclear-doctrine-update-weapons-use-sovereignty?lang=en
https://www.armscontrol.org/factsheets/nuclear-weapons-who-has-what-glance
https://www.naval-technology.com/projects/trident-ii-d5-fleet-ballistic-missile/
http://columbia-class.com/design.asp