Forwarded to Ralph Earle, Director of US Arms Control and Disarmament Agency. The Interagency Intelligence Memorandum on the 22 September 1979 explosion, or Vela Incident, concludes that it was a nuclear explosion.

Mallaby reports on a conversation at the Nuclear Suppliers Meeting with the US Deputy Under-Secretary for Security Assistance, Nye, on whether the US would raise the issue of South Africa's Kalahari nuclear testing facility. The US assumption was that the South Africans intended to "be on the brink of having a nuclear weapons capability" in order to "moderate Western diplomatic pressure on her about racial and other issues."

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

US statement to the UN General Assembly delivered by delegate Father Hupp. The statement explains the why the US voted no on a series of resolutions regarding South Africa. These included resolutions on an arms embargo, sporting boycott and other resolutions concerning Apartheid. It also voted no on a resolution condemning Israel for arms sales to South Africa.

The South African Ambassador to the United States analyzes the new arms control policies under the Carter Administration.

Report on the Eighth Plenary Session of the Preparatory Commission for the establishment of the Organisation for the Prohibition of Chemical Weapons.

Indicates that the United States would be receptive to a formal South African bid for admission into the Missile Technology Control Regime.

Meeting of the South African Council for the Non-Proliferation of Weapons of Mass Destruction discussing the status of current agreements.

Report on the current status of South African disarmament and arms control.

Director-General writes to the Secretary for Defence to enquire as to whether the South African tender for an electronic warfare equipment deal has been successful. He suspects that the deal has already been won by Israel.