 Although some coordination existed between Germany and the USSR early in the war, the Soviet Union communicated to Nazi Germany its decision to launch its own invasion seventeen days after Germany's invasion, as a result, in part, of the unforeseen rapidity of the Polish military collapse.On September 24, 1939, with the fall of Poland to Nazi Germany and the USSR imminent and in light of the Orzeł incident, the Moscow press and radio started violently attacking Estonia as "hostile" to the Soviet Union.Warships of the Red Navy appeared off Estonian ports, and Soviet bombers began a threatening patrol over Tallinn and the nearby countryside.