Kudryavtsev and Fidel Castro discuss several points of business, including Kennedy and Krushchev's conversation at their Vienna meeting, the US invasion of Cuba, Yuri Gagarin's trip to Cuba, and the visit of two Cuban Majors to the Soviet Ministry of Defense.

Kudryavtsev delivers the text of Khrushchev's reply to Kennedy's April 18 message, and Dorticos and Fidel Castro praise the text of the message and Soviet support for Cuba. Kudryavstev infroms Castro of the granting of the Cuban governments request for various military equipment, including aircraft and specialists, from the Soviet Union.

At a screening of the film "Two Hours in the USSR," Kudryavtsev informs Fidel Castro that after analyzing the remnants of the US rockets handed over to the Soviets by the Cubans, Soviet scientists have determined that Soviet rocket technology is superior to that of the Us.

Kudryavtsev and Castro discuss diplomatic normalization between the USSR and Ecuador and a CPSU CC letter directed at restoring global unity of the Communist movement, and a report from Inchaustegui suggests renewed US attacks against Cuba.

Polish leader Władysław Gomułka and British journalist David Astor discuss the stand-off between the United States and the Soviet Union in the situation of the Cuban Missile Crisis.

Alexei Adzhubei, Khrushchev’s son-in-law and the editor-in-chief of Izvestia, reports on his meetings with US journalists and officials in Washington, DC. Especially significant was his 30 January meeting with President John F. Kennedy in which Kennedy compared the communist revolution in Cuba with the 1956 Hungarian Revolution suppressed by the Soviet Union. Adzhubei also described Kennedy's comments on German reunification.

Protocol 71 gives details to the immediate fallout of the Cuban Missile Crisis from the Soviet perspective. Thanks to Castro’s so-called Armageddon letter and his five points, by December 1962 (date of this protocol), Khrushchev was calling the Cubans “unreliable allies.”

Summary of intelligence sources reporting that the US had been preparing for an invasion of Cuba and Kennedy only used the installation of missiles as a pretext to carry out aggressive actions. The US carried out the blockade also to warn the Soviet Union against signing a separate peace treaty with the GDR and to strengthen the position of the Democratic Party before the election. According to the report, other capitalist countries agreed that it was only the flexible policy of the USSR that prevented the outbreak of war.

Soviet Foreign Minister Andrei Gromyko cables the Soviet Embassy in Havana that the Soviet leadership had decided to allow UNSG U Thant and his representatives to visit Soviet launchers sites in Cuba and verify that the launchers are being dismantled.

Khrushchev expresses outrage at Kennedy’s establishment of quarantine in Cuba.