 Complete the following phrase:  With the German invasion of the Soviet Union in 1941, Kulakov was involved in planning the defence of the Black Sea Fleets ports, and in organising counterattacks by Soviet Naval Aviation and units of the Danube Flotilla. He oversaw the activities of the political bodies and party organizations of the Black Sea Fleet during this time. With the German advance to the Black Sea, Kulakov helped to organise the preparation of defences for Odessa, and when 