 Complete the following phrase:  Nakhimov took his shipssix ships of the line, two frigates, and three steam shipsto Sinop in late November to attack an Ottoman squadron of seven frigates, two corvettes, and two transports. Nakhimov initially steamed into the harbor on 30 November N.S.; 18 November O.S. with his ships in two columns to demand the Ottomans surrender, but the Ottomans rejected the ultimatum. The Russians then anchored some away and began bombarding the Ottoman ships in the harbor in the 