https://www.indiatvnews.com/news/world/us-announces-new-nuclear-bomb-24-times-more-powerful-than-dropped-on-japan-us-department-of-state-little-boy-hiroshima-nagashaki-b61-gravity-bomb-2023-10-31-900495
The United States said it will pursue a modern variant of the B61 nuclear gravity bomb, designated the B61-13, pending Congressional authorisation and...
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https://www.military.com/daily-news/2018/06/30/b61-12-nuclear-gravity-bomb-completes-first-qual-tests-b-2-bomber.html
Two non-nuclear system qualification flight tests of the B61-12 took place June 9 at the Tonopah Test Range in Nevada.
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