UK Ambassador to South Africa Sir David Scott conveys the text of a letter he sent to South African Defense Minister P. W. Botha about UK concern that South Africa is developing a nuclear weapon.

H.M.S. Reid sends instructions to the UK Embassy in Pretoria in preparation for a meeting with South African Secretary for Foreign Affairs Brand Fourie. Reid informs them that the Prime Minister wishes to send his concerns about the possibility of South Africa exploding a nuclear device.

Nye stated that at present the United States preferred to "concentrate on pressing South Africa to adhere to the NPT rather than continuing to enquire about the nature of the Kalahari facility." The State Department assessment was that while South Africa was capable of building a bomb at short notice, they did not actually plan to test one at this time.

Mallaby outlines the UK position on South African accession to the Non-Proliferation Treaty.

Memorandum on UK position at Lagos Conference on Apartheid about Soviet allegations of South African nuclear weapons development.

J.S. Wall of the UK Foreign and Commonweath Office reports on a conversation with David Aaron of the US National Security Council on concerns about South Africa's possible nuclear testing facility in the Kalahari desert.

Memorandum discussing the impact on South Africa of new safeguards applied by the International Atomic Energy Agency to the sale and transfer of nuclear materials.

South African Cabinet memorandum discussing the potential for nuclear cooperation and technology assistance from various friendly countries, including the United States, Great Britain, and the Netherlands.