Chiefs of Staff Committee, Joint Planning Staff, ‘The effect of nuclear sufficiency: Report by the Joint Planning Staff’, 27 January 1958

“The United Kingdom policy will therefore, in the era of nuclear sufficiency, be dictated by three main considerations: (a) to remain a nuclear power and by so doing to exercise a major independent influence in the councils of the world, in particular with the United States…[two others]”.

National Archives: DEFE 4/104