Commissar of Defence of USSR issues secret order to Baltic Fleet to secure occupation of Baltic States

After joint invasion with Nazi Germany in Poland, resulting its full occupation, USSR according to secret Protocols of Communists- Nazi Pact of 23/8/1939 started preparations for occupation of Finland and Baltic States.

With Soviet failure in Finland sealed for the moment, it was little more than a month after Munters' positive expressions that Molotov, speaking on March 25, 1940, essentially announced Soviet intentions to annex the Baltic States, stating, "... the execution of the pacts progressed satisfactorily and created conditions favorable for a further improvement of the relations between Soviet Russia and these States." Improvement of the relations being a euphemism for Soviet takeover.

In March and April, 1940, immediately after Molotov's speech, the Soviet press commenced attacks on the Latvian government. Next, the NKVD orchestrated a series of strikes in Riga and Liepāja. When those failed to develop into a general strike, the Soviets blamed that failure on the "irresponsible element which spoils the good neighborly relations."

On May 28, 1940, the Lithuanian Minister in Moscow received a note from Molotov which dealt with the alleged kidnapping of two Soviet soldiers in Vilna. The Lithuanian government sought to clear up this matter by a Soviet-Lithuanian commission under the terms of the mutual assistance pact. Moscow rejected this proposal and cut off further discussion, soon showing and rapidly playing their hand:

On June 09, 1940, the order for a total military blockade on Baltics to the Soviet Baltic Fleet is given: according to the director of the Russian State Archive of the Naval Department Pavel Petrov (C.Phil.) referring to the records in the archive