 The plan was to attack the Central Powers forces from the rear by crossing the Danube at Flămânda while the front-line Romanian and Russian forces were launching an offensive southwards towards Cobadin and Kurtbunar, so cutting of Mackensen's army from its bases in northern Bulgaria.Romanian sailors from "Apărările de sub apă", a specialized coastal artillery force, had 28 guns at their disposal on the left bank of the Danube (one battery each of , , , and , two batteries of , and one section each of and ) and six more guns (a battery of and a section of ) on Cinghineaua island.The entire coastal artillery force was commanded by Naval Commander Niculescu Rizea.