 Complete the following phrase:  In 1824, after the conquest of Psara by the Turks, he commanded the Greek forces which prevented the further progress of the Sultans fleet, though at the cost of the loss of many fire ships and men. But in the same year he was unable to prevent the Egyptian forces from occupying Navarino, though he harassed them with some success. In 1825 he succeeded in carrying stores and reinforcements into Missolonghi, when it was 