 This, together with heavy German shelling and aerial bombardment killed at least 1,000 of the evacuees in the harbour.Twenty large transports, eight auxiliary ships, nine small transports, a tanker, a tug, and a tender were organized into four convoys, protected by the Soviet cruiser "Kirov", with Admiral Vladimir Tributs on board, two flotilla leaders, nine destroyers, three torpedo boats, twelve submarines, ten modern and fifteen obsolete minehunters, 22 minesweepers, 21 submarine chasers, three gun boats, a minelayer, thirteen patrol vessels and eleven torpedo boats.On 28 August Luftwaffe bomber wing Kampfgeschwader 77 (KG 77) and KGr 806 sank the 2,026 grt steamer "Vironia", the 2,317 grt "Lucerne", the 1,423 grt "Atis Kronvalds" and the 2,250 grt ice breaker "Krisjanis Valdemars".