From April 20 to May 3 1953, Operation Little Switch allowed the exchange of the sick and wounded prisoners of wars between the United Nations, North Korea, and China. In this letter, Major General Choi informs General Harrison that the communist have failed to return hundreds of U.N. POWs because of their broad interpretation of the agreement. General Choi provides a series of steps to improve this agreement but most importantly he urges that the terms “civilian internees” and “displaced person” should be clarified in the Draft Armistice Agreement.

Zhou Enlai advises the Chinese UN representatives on how to explain and respond to representatives from other countries regarding the Korea issue and the proposed armistice.

A telegram from Mao to Stalin informing the latter of the lack of developments at the armistice talks and accusing the Americans of provocative actions designed to pressure the communist delegation. He discusses the possibility of suspending negotiations and the possible outcomes of such a suspension.

Congratulatory telegram from Stalin to Mao for Chinese operational successes against U.S. forces.

Conversation between Stalin and Zhou Enlai focusing on the Korean War. They discussed the exchange of POWs (and the Mexican proposal), peace negotiations, Chinese cooperation with India and Burma, and the creation of regional organizations. They also mentioned Germany (reunification), the situation/reforms in Xinjiang, Taiwan and Chiang Kai-shek (Jiang Jieshi), and military aid.

Stalin agrees to train North Korean pilots, but in China, not in the Soviet Union, as Kim Il Sung previously suggested.

Kim Il Sung agrees to Stalin’s recommendations in regards to the training of North Korean pilots.

Soviet advice to North Korea concerning the upcoming session of the UN General Assembly on the Korea issue.

Message to Stalin from Roshchin relaying the rationale for Mao's reversal of his earlier hesitance to send Chinese troops to the aid of the North Koreans. General plans for the deployment are stated as well as a request for arms on credit from the Soviet Union.