Copy of a letter from WSC to [Dwight Eisenhower] President of the United States marked "most secret and confidential" on subjects including: agreement between the United Kingdom and the United States on key principles; the nuclear test at Eniwetok Atoll and implications for London "I am told that several million people would certainly be obliterated by four or five of the latest H bombs"; statements by Sterling Cole; the Soviet Union's nuclear capability; the responsibility conferred by the power of nuclear weapons; and his belief in the need to have a personal summit meeting [between the United Kingdom, Soviet Union and the United States]. Typescript.