Plans to use five thermonuclear explosions to create an artificial harbor at Cape Thompson, Alaska, for Project Chariot in 1958. It was eventually cancelled amid controversy and protest. The outer-outline represents the "full scale" plan, which would require detonations totalling 2.4 megatons. The inner outline is a scaled down version, of 460 kilotons. It would be eventually scaled down to 280 kilotons.

• Source: Scanned from Dan O'Neill, The Firecracker Boys (New York: St. Martin's Press, 1994).
  • License: Identified as Lawrence Livermore National Laboratory image.

This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag. العربية ∙ Deutsch ∙ English ∙ français ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ русский ∙ українська ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−