after all, that is the riskiest phase of the operation. for the past ten months, the costa concordia has been resting on giant underwater steel platforms built for this operation. what they have been doing dur thag time, preparing for the float is attaching metal boxes, 15 on either side of the costa concordia. beginning this morning, they are pumping the metal boxes with compressed air. at first, they only want to raise the ship up 6 1/2 feet and move it to the east 100 feet. as i mingesed, this is risky. it s possible the bottom of the vessel could give way. everyone there holding their breath. next, once they move the vessel east, a team of divers, armed with chains and cables are going to go down and secure the vulnerable underbelly before they continue pumping the boxes