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.

此图像是美国能源部（或前身组织）的雇员于其公务中所作的作品。由于此作品由美国联邦政府所作，其处于公有领域。 请注意美国国家实验室使用不同授权条款而其中部分为自由条款。核实实验室的网站政策后才可使用此标签。 العربية ∙ Deutsch ∙ English ∙ français ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ русский ∙ українська ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−