The telegram bears on the circumstances surrounding Fidel Castro's controversial 27 October letter to Khrushchev. Alekseev describes Castro's demeanor as being irritated and paranoid at the time of writing the letter. He provides background on Castro's actions and attitudes at the peak of the crisis, and especially his nocturnal visit to the Soviet embassy and preparation of his letter to Khrushchev on the night of 26-27 October. He advises Moscow on how to handle the Cuban leader, and offers analysis into the emotions and overall mood of Castro and his associates at that moment in the crisis.

A report on Alekseev's 23 October 1962 conversation with Fidel Castro, together with two members of the Cuban leadership, the day after the public crisis began. Presented with official Soviet statements on the crisis, Castro reviews the situation and confidently vows defiance to the US "aggression," which he claimed was doomed to failure.

Alekseev discusses the response of Castro and Dorticos to certain documents.

Alekseev sends the results of a meeting with Cuban leadership, the Cubans were expressing discontent because of the fact that Soviet government had not consulted them on a number of issues.

Alekseev reports to the Foreign Ministry about Castro’s dissatisfaction about not being consulted regarding the question of dismantling. Alekseev shows him some letters that passed between Khrushchev and Kennedy.

Bakaev gives instructions to the captain of the “Amata,” regarding the UN representatives to be lodged on the ship.

Alekseev comments on the general attitude of the Cuban people in regards to the blockade and mobilization of the Cuban army

Castro’s response to a Soviet Foreign Ministry telegram regarding the prohibition of special arms and possible US invasion.

The Soviet Embassy in Havana gives an overview of the latest developments in US-Cuban relations. While steps towards a rapprochment have been undertaken, both sides are deadlocked on the issue of Cuba's military involvement in Africa.

Alekseev transmits that Cuba’s army has mobilized and the subsequent affect on Cuba’s economy because of Kennedy’s recent speech. Cuba waits for the Soviet Union’s opinion on the recent events.