May 22, 1963
Research Memorandum RFE-40 from Thomas L. Hughes to the Acting Secretary, 'A French Nuclear Testing Site in the Pacific? – Plans and Repercussions'
France’s staging of atmospheric and underground tests in Algeria became increasingly untenable when neighboring African countries protested and even temporarily broke diplomatic relations with Paris. Once Algeria became independent in 1962, French authorities made plans to develop a test site in Polynesia.