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This is a great start of an article, but currently it's one gigantic read without any breaks. Articles are greatly helped when they are divided into section (history, general principle/design, types of pits/cores, applications, etc...). Headbomb { ^ταλκ _{κοντριβς} –  WP Physics} 15:51, 11 February 2010 (UTC) reply

A lot of it is duplication from Nuclear Weapon Design. SkoreKeep ( talk) 22:31, 27 October 2013 (UTC) reply

The section says modern pits have a radius of ~5cm. This is wrong.

We have a small number of photos of pits from a B61 being handled showing big +10cm radius pits [1]. These pits are roughly half the diameter of their AT-400A storage container, and the container is 20 inches in diameter [2]. Kylesenior ( talk) 06:39, 14 February 2021 (UTC) reply

1 - https://www.gettyimages.com.au/detail/news-photo/workers-package-an-at400-container-at-the-pantex-plant-news-photo/1409065

2 - https://www.globalsecurity.org/wmd/library/report/enviro/eis-0225/eis0225_f.html