Bulgaria's General Consul in Istanbul, Turkey, reported to the Ministry of Foreign Affairs information he received from the Chief of the Greek General Staff to Turkey. As recorded, the Greek General Staff reported a meeting between Turkish and Greek governments. The governments discussed a non-aggression pact between Warsaw Pact and NATO countries and the use of Polaris missile submarines in Turkish waters.

Bulgarian Charge d’Affaires in the US Kiril Shterev reports to the Bulgarian Ministry of Foreign Affairs that US Deputy Secretary of Defense Roswell Gilpatric stated that three submarines carrying Polaris missiles will be deployed to the Mediterranean Sea. The deployment follows US withdrawal from Italian and Turkish bases after the Cuban Missile Crisis.

Bulgaria's Charge d' Affaires to the US Kiril Shterev writes to the Bulgarian Ministry of Foreign Affairs explaining that the US planned on stationing B47 bombers in Turkey once the Jupiter missiles are removed from Turkey. Shterev cites journalist Paul Scott as his source for the information about the display of the Unites States' military presence.

Bulgarian General Consul in Istanbul Dimo Karadimov reports to the Bulgarian Foreign Ministry news of new ballistic missiles in Turkey. Specifically, Karadimov notes that the US military will replace Jupiter missiles with Polaris missiles within the year. Karadimov cannot confirm NATO's involvement.