Editing Red Snow (section)

{{Short description|British nuclear weapon}}
{{about|the nuclear weapon Red Snow}}
{{Use British English|date=April 2012}}
{{Use dmy dates|date=June 2022}}

'''Red Snow''' was a British [[thermonuclear weapon]],<ref name=AWE-yellow-sun>{{cite web |url=http://www.awe.co.uk/main_site/about_awe/history/timeline/1961a/index.html |title=Yellow Sun MK.2 Enters Service |date=September 2007 |publisher=Atomic Weapons Establishment |archive-date=7 June 2007 |archive-url=https://web.archive.org/web/20070607113254/http://www.awe.co.uk/main_site/about_awe/history/timeline/1961a/index.html |url-status=dead }}</ref> based on the US [[B28 nuclear bomb|W28]] (then called Mark 28) design used in the B28 thermonuclear bomb and [[AGM-28 Hound Dog]] missile.<ref>{{cite web |url=http://nuclear-weapons.info/images/tna-avia65-1771e24_01.JPG |title=Defence Committee on Nuclear Requirements 1959–1963 |id=TNA AVIA 65/1771 E24 |date=17 July 1962 |work=Atomic Weapons Research Establishment |publisher=National Archive |page=1 |accessdate=2 January 2012 |quote=Red Snow is the British version of the U.S. Mk.28, which has been tested by the American Authorities. It follows that all current British nuclear weapons are based on tested designs. |archive-date=28 May 2012 |archive-url=https://web.archive.org/web/20120528213730/http://nuclear-weapons.info/images/tna-avia65-1771e24_01.JPG |url-status=live }}</ref> The US W28 had yields of {{convert|70|,|350|,|1100|and|1450|ktTNT|PJ|abbr=on}}<ref name=nukearc>{{cite web |first=Carey |last=Sublette |url=http://nuclearweaponarchive.org/Usa/Weapons/Allbombs.html |title=Complete List of All U.S. Nuclear Weapons |website=Nuclear weapon archive |date=12 June 2020 |access-date=2021-03-18 |archive-url=https://web.archive.org/web/20090227003412/http://nuclearweaponarchive.org/Usa/Weapons/allbombs.html |archive-date=2009-02-27}}</ref> and while Red Snow yields are still classified, declassified British documents indicate the existence of "kiloton Red Snow" and "megaton Red Snow" variants of the weapon, suggesting similar yield options, while other sources have suggested a yield of approximately {{convert|1|MtTNT}}.<ref name=UKAEA>{{cite report |publisher=UK Atomic Energy Authority |date=1964 |title=Weapons Department Atomic Warheads Production Committee, Papers & Minutes |url=http://nuclear-weapons.info/images/tna-ab16-4675p63.jpg |page=63 |docket=TNA AB 16/4675 |access-date=2022-04-27 |archive-date=2021-05-23 |archive-url=https://web.archive.org/web/20210523131337/http://nuclear-weapons.info/images/tna-ab16-4675p63.jpg |url-status=live }}</ref><ref name=NukeInfoWE177/>