 Complete the following phrase:  In the first year of World War I, Andrei Pervozvanny and Imperator Pavel I comprised the battle core of the Baltic Fleet. For most of the war they remained moored in the safety of Sveaborg and Helsingfors. Idle, demoralized enlisted men subscribed to Bolshevik ideology and on took control of the ships in a violent mutiny. The battleships survived the 