Statement sent to the Soviet ambassador in Washington chastising the United States for the B-52 crash in Greenland.

Politburo to the Soviet ambassador and representatives giving them language to use when discussing the American Air Force crash of a B-52 carrying hydrogen bombs in Greenland.

An outline of next steps the Politburo plans to take in response to the 1968 Thule Air Base B-52 crash.

Extensive account of CSSR-Chinese relations, including controversy surrounding the Cultural Revolution and Chinese extremism, anti-Soviet proclivities within the Chinese leadership, and the Chinese hydrogen bomb test on June 17th.

Bulganin proposes a halt on nuclear tests among the United States, the Soviet Union, and the United Kingdom beginning on January 1, 1958.

UK record of discussions with a Soviet delegation including Bulganin and Khrushchev.

Report by N.M. Emanuel on the U.S. Castle Bravo test in the Marshall Islands. The report surmises from fallout data that the bomb used a fission-fusion-fission design, and that the bomb contained a larger than normal amount of fissile material which induced a thermonuclear reaction.

The letter describes geographic, safety, and technical considerations taken into account when selecting a test site for the RDS-37 hydrogen bomb. Specifically, the letter highlights that a testing field should be chosen based on the existence of population centers, the terrain, and the main wind patterns.

Mao addresses the Central Military Commission to report on China's steel production, which he believes will surpass the Soviet Union's capability in seven years and the United States' in ten. He also makes it known that China will build "atom bombs, hydrogen bombs and inter-continental missiles," and believes this can be done in as few as ten years.

In a conversation with Soviet ambassador Yudin, Mao sees a prohibition of the use of hydrogen weapons as very likely, as the capitalist countries "[fear] fighting this kind of war." Further, he notes that the socialist countries have an advantage over Western ones in terms of conventional army size.