On May 10, Chinese military officials confirm that they are prepared to detonate an aerial nuclear explosion but, due to unfavorable weather conditions, must postpone the test until May 12 or 13.

Zhou Enlai informs Mao Zedong that favorable weather conditions will allow them to carry out the aerial nuclear test explosion. An official statement for the press has also been prepared.

Zhou Enlai and Nguyen Minh Phuong discuss the possibility of convening an international conference on Cambodia.

Soviet Ambassador Ilya Shcherbakov informs a meeting of Socialist Ambassadors of Soviet-Vietnamese talks in Moscow. He notes that the United States realizes it does not have the international support for Vietnam that it had expected, and that the Soviet Union will continue to support Vietnam in the struggle. He argues that there is still much anti-Soviet propaganda in Vietnam, which comes from the Chinese, and points out three positions of the Chinese that he does not understand.

The Chinese Embassy in Bulgaria reports how representatives from throughout the socialist bloc in Bulgaria responded to China's second nuclear test.

The Chinese Embassy in Moscow reports reactions from students and military personnel in the USSR to China's second nuclear test.

Ho Chi Min asks Mao Zedong for help to build roads along the border to South Vietnam; Mao agrees.

Zhou Enlai addresses Nguyen Van Hieu and Nguyen Thi Binh concerning the steps to take should the US escalate in Vietnam and expand into China, comparing Vietnam to Korea.

The Chinese Embassy in Pyongyang reports the enthusiastic responses of North Koreans to China's second nuclear test.

The Chinese Embassy in Poland assesses the responses to the Chinese nuclear test among socialist countries in Eastern Europe.

Zhou Enlai and Deng Xioaping offer to chastise Soviet revisionists on behalf of North Vietnam

The Mayor of Nagasaki expresses regret over China's second nuclear test.

Cable from the Chinese Embassy in the Soviet Union describing positive responses of Soviet officials and the foreign missions regarding China's second successful nuclear test.

A description of the Korean Workers' Party involvement in economic and company affairs.

Cable from the Chinese Embassy in Indonesia describing positive responses of Indonesian government officials, media and public regarding China's second nuclear test.

Cable from the Chinese Embassy in Pakistan describes different responses of Pakistani government officials and foreign government diplomats in Pakistan regarding China's first nuclear weapons test.

Speech on China's state of preparations for war with the United States.

In a move interpreted by INR as part of a pro-nuclear “propaganda campaign,” Swedish Supreme Commander Torsten Rapp reportedly asked for funds for to cover the costs of nuclear weapons acquisition.

On behalf of Kim Il Sung, Ambassador Kim Byeong-jik expresses thanks to the Soviet Union for their donation of weapons and military equipment in the amount of 150 million rubles.

Zhou Enlai’s Speech at the War Planning Meeting discussing China’s atomic testing