manstein recognised the seriousness of the failure on 8 june. he was worried that the 132nd infantry division, locked in combat with the 79th naval brigade and 95th and 172nd rifle divisions north of the city on the belbek river front, was "approaching the end of its strength". once again, the army turned to the luftwaffe for support. richthofen responded by ordering attacks against soviet supply lines. the same day, german bombers, including kg 100, began attacks on soviet shipping. they sank the destroyer "sovershennyy" and the survey vessel "gyuys", with the 4,727 ton transport "abkhaziya" and destroyer "svobodnyy" following them on 10 june.