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In this context, date means from the start of Phase 6 full scale production to the retirement of the final weapon at the
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History of the TX-61 Bomb
https://osf.io/bfjrc/ -
"The B61 Bomb"
http://nuclearweaponarchive.org/Usa/Weapons/B61.html -
Bulletin of the Atomic Scientists
https://doi.org/10.1177%2F0096340214531546 -
"The B61 Bomb"
http://nuclearweaponarchive.org/Usa/Weapons/B61.html -
"Why the Biden administration's new nuclear gravity bomb is tragic"
https://thebulletin.org/2024/02/why-the-biden-administrations-new-nuclear-gravity-bomb-is-tragic/?utm_source=Newsletter&utm_medium=Email&utm_campaign=ThursdayNewsletter02152024&utm_content=NuclearRisk_GravityBomb_02132024 -
"B61-12: NNSA's Gold-Plated Nuclear Bomb Project"
https://web.archive.org/web/20130116152834/http://www.fas.org/blog/ssp/2012/07/b61-12gold.php -
Bulletin of the Atomic Scientists
http://journals.sagepub.com/doi/pdf/10.2968/059001020 -
"The B61 Life Extension Program"
http://www.ucsusa.org/sites/default/files/legacy/assets/documents/nwgs/B61-life-extension-program-FS.pdf -
"Window on Heartland: Geopolitical notes on Eastern Europe, the Caucasus and Central Asia"
https://web.archive.org/web/20130424050959/http://www.windowonheartland.net/2012/02/russias-top-secret-bases.html -
The Washington Times
http://www.globalsecurity.org/wmd/library/news/russia/1997/bmd970404a.htm -
"Kosvinsky Mountain, Kos'vinskiy Kamen', Gora, MT 59°31'00"N 59°04'00"E, Russia"
http://www.globalsecurity.org/wmd/world/russia/kosvinsky.htm -
Air & Space Forces Magazine
https://www.airandspaceforces.com/article/0710nato/ -
"The Bulletin of the Atomic Scientists", 26 October 2013
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De Morgen
https://web.archive.org/web/20190716075426/https://www.demorgen.be/nieuws/eindelijk-zwart-op-wit-er-liggen-amerikaanse-kernwapens-in-belgie~b051dc18/ -
Kristensen, Hans M. "New Report: US and Russian Non-Strategic Nuclear Weapons." Archived 2013-01-30 at the Wayback Machi
https://fas.org/blog/ssp/2012/05/nonstrategicnukes.php -
The Guardian
https://www.theguardian.com/world/2013/apr/21/obama-accused-nuclear-guided-weapons-plan -
"Capabilities of B61-12 Nuclear Bomb Increase Further"
https://web.archive.org/web/20131101064344/http://blogs.fas.org/security/2013/10/b61-12hearing/ -
EXCLUSIVE: F-35A officially certified to carry nuclear bomb. Breaking Defense. 8 March 2024.
https://breakingdefense.com/2024/03/exclusive-f-35a-officially-certified-to-carry-nuclear-bomb/ -
The Guardian
https://www.theguardian.com/world/2025/jun/25/how-and-why-is-britain-obtaining-access-to-nuclear-gravity-bombs-f-35a -
"the nuclear information project: the B61-11"
http://www.nukestrat.com/us/afn/B61-11.htm -
"Glenn's Computer Museum-B61 Preflight Controller"
http://www.glennsmuseum.com/controller/controller.html -
Developing and Producing the B-61
https://www.youtube.com/watch?v=RlH7OuWiPb4 -
R&A for UUR_Weapon_History_Phases_20170206
https://www.osti.gov/biblio/1429158-uur_weapon_history_phases_20170206 -
Final Development Report for the B61-7 Bomb (Report). Sandia National Laboratories. 1985.
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Report to Congress: Assessment of the Safety of US Nuclear Weapons and Related Nuclear Test Requirements
https://fas.org/programs/ssp/nukes/testing/kidderucrllr107454.pdf -
Energy.gov
https://www.energy.gov/nnsa/articles/nnsa-completes-first-production-unit-b61-12-life-extension-program -
"B61-12 Life Extension Program"
https://web.archive.org/web/20170515075732/https://nnsa.energy.gov/sites/default/files/nnsa/factsheet/b61-12_lep.pdf -
"B61-12: The New Guided Standoff Nuclear Bomb"
https://fas.org/programs/ssp/nukes/publications1/Brief2014_PREPCOM2.pdf -
Nuclear Scholars Initiative: A Collection of Papers from the 2013 Nuclear Scholars Initiative
https://books.google.com/books?id=ZqPmAgAAQBAJ&q=b61+12+strategic&pg=PA262 -
"Video Shows Earth-Penetrating Capability of B61-12 Nuclear Bomb"
https://fas.org/blogs/security/2016/01/b61-12_earth-penetration/ -
Energy.gov
https://www.energy.gov/nnsa/articles/nnsa-completes-assembly-first-b61-13-nuclear-gravity-bomb-ahead-schedule -
Special Task Group Report – Beryllium: Substitute Materials for Be and BeO in Nuclear Weapons Volume II – Impact on United States Department of Energy National Defense Programs of proposed Department of Labor (Occupational Health and Safety Administration) Beryllium Standards
https://osf.io/kpcy8/ -
Interim Development Report for the B61-6,8 Bombs
https://osf.io/g84bs/ -
Interim Development Report for the B61-6,8 Bombs, p. 9.
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Interim Development Report for the B61-6,8 Bombs, p. 11.
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Interim Development Report for the B61-6,8 Bombs, p. 16.
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Interim Development Report for the B61-6,8 Bombs, p. 21.
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Interim Development Report for the B61-6,8 Bombs, p. 26.
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Interim Development Report for the B61-6,8 Bombs, p. 31.
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Interim Development Report for the B61-6,8 Bombs, p. 17.
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Interim Development Report for the B61-6,8 Bombs, p. 36.
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Interim Development Report for the B61-6,8 Bombs, p. 37.
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Interim Development Report for the B61-6,8 Bombs, p. 22.
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Interim Development Report for the B61-6,8 Bombs, p. 48-50.
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Interim Development Report for the B61-6,8 Bombs, p. 41.
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Interim Development Report for the B61-6,8 Bombs, p. 18.
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Interim Development Report for the B61-6,8 Bombs, p. 19, 43.
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Interim Development Report for the B61-6,8 Bombs, p. 42-43.
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Air & Space Forces Magazine
https://www.airandspaceforces.com/box110413gravity/ -
"Pentagon Pushes for Billions to Refurbish Nuclear Bombs"
http://thebulletin.org/pentagon-pushes-billions-refurbish-nuclear-bombs -
"US to spend billions 'modernizing' nuclear arsenal"
https://web.archive.org/web/20131119104135/https://www.google.com/hostednews/afp/article/ALeqM5jQQKVoqzhqtYpBYtg3oXJD6F1nFA?docId=08f741e1-b8fa-46e9-8c3c-84c549d8a156&hl=en -
"Nuclear Security and Omnibus Legislation: What's Up and What's Down"
http://www.nti.org/gsn/article/nuclear-security-and-omnibus-legislation-whats-and-whats-down/ -
Federation of American Scientists
https://fas.org/blogs/security/2014/01/b61capability/ -
National interest
http://nationalinterest.org/blog/the-buzz/america-russia-test-new-tactical-nuclear-missiles-13319 -
US conducts first flight test of guided B61-12 nuclear bomb
http://www.flightglobal.com/news/articles/us-conducts-first-flight-test-of-guided-b61-12-nuclear-414484/ -
Video Shows Earth-Penetrating Capability of Mod 12 Nuclear Bomb Archived 2016-06-30 at the Wayback Machine – Fas.org, 14
https://fas.org/blogs/security/2016/01/b61-12_earth-penetration/ -
nationalinterest.org
https://nationalinterest.org/blog/buzz/air-force-really-testing-%E2%80%98earth-penetrating%E2%80%99-nuclear-bomb-58002 -
NNSA, Air Force complete successful end-to-end Mod 12 Life Extension Program flight tests at Tonopah Test Range Archived
https://www.globalsecurity.org/wmd/library/news/usa/2018/usa-180629-nnsa01.htm/ -
US Air Force's Mod 12 nuclear bomb new guided tail-kit assembly enters production phase Archived 2018-12-15 at the Wayba
http://www.airrecognition.com/index.php/archive-world-worldwide-news-air-force-aviation-aerospace-air-military-defence-industry/global-defense-security-news/global-news-2018/december/4682-us-air-force-s-b61-12-nuclear-bomb-new-guided-tail-kit-assembly-enters-production-phase.html -
"B61-12"
https://www.airforce-technology.com/projects/b61-12-nuclear-bomb/ -
South China Morning Post
https://www.scmp.com/news/world/russia-central-asia/article/3197739/russia-says-us-lowering-nuclear-threshold-newer-bombs-nato-bases-europe -
"NNSA Removes F/A-18F Super Hornet From Nuclear Bomb Fact Sheet – Federation Of American Scientists"
https://fas.org/blogs/security/2021/12/fa-18_removed-from-fact-sheet/ -
U.S. Department of Defense
https://www.defense.gov/News/Releases/Release/Article/3571660/department-of-defense-announces-pursuit-of-b61-gravity-bomb-variant/https://www.defense.gov/News/Releases/Release/Article/3571660/department-of-defense-announces-pursuit-of-b61-gravity-bomb-variant/ -
Federation of American Scientists
https://fas.org/publication/biden-administration-to-build-a-new-nuclear-bomb/ -
Fact Sheet on B61 Variant Development
https://en.wikisource.org/wiki/Fact_Sheet_on_B61_Variant_Development -
US to build new nuclear gravity bomb. Defense News. 27 October 2023.
https://www.defensenews.com/pentagon/2023/10/27/us-to-build-new-nuclear-gravity-bomb/ -
"NNSA completes assembly of the first B61-13 nuclear gravity bomb ahead of schedule"
https://www.energy.gov/nnsa/articles/nnsa-completes-assembly-first-b61-13-nuclear-gravity-bomb-ahead-schedule -
Nuclear Weapons Surety – Annual Report to the President 1988
https://documents.theblackvault.com/documents/nuclear/NuclearWeaponsSurety1988.pdf -
Development of an Automated Pit Packaging System for Pantex
https://web.archive.org/web/20200215190559/https://pdfs.semanticscholar.org/81d2/cef59b611d653b022d451b8d687ba3df5e47.pdf -
Global security news wire
http://www.globalsecuritynewswire.org/gsn/nw_20100518_1164.php -
Bulletin of the Atomic Scientists
http://bos.sagepub.com/content/67/1/64.full.pdf -
Kristensen, Hans. "B61 LEP: Increasing NATO Nuclear Capability and Precision Low-Yield Strikes." Archived 2016-09-15 at
https://fas.org/blogs/security/2011/06/b61-12/ -
Kristensen, Hans. "B61-12: NNSA’s Gold-Plated Nuclear Bomb Project." 26 July 2012Archived 2013-01-16 at the Wayback Mach
https://fas.org/blog/ssp/2012/07/b61-12gold.php -
Boeing to Upgrade B61 Nuclear Free Fall Bomb
http://www.deagel.com/news/Boeing-to-Upgrade-B61-Nuclear-Free-Fall-Bomb_n000010996.aspx -
Boeing Receives $178 Million Contract for B61 Tail Kit Assembly
http://boeing.mediaroom.com/index.php?s=43&item=2510 -
Kristensen, Hans. "$1 Billion for a Nuclear Bomb Tail." Archived 2013-07-18 at the Wayback Machine FAS, 12 April 2013.
http://blogs.fas.org/security/2013/04/b61-12tail/
