 Complete the following phrase:  Kharkov  was one of six destroyer leaders built for the Soviet Navy during the 1930s, one of the three Project 1 variants. Completed in 1938, she was slightly damaged during the Raid on Constanța a few days after the German invasion of the Soviet Union on 22 June and covered the evacuation of the Danube Flotilla to Odessa the following month. During the 