Construction companies from the U.S. and Italy will begin work next week . ` ` Once returned to a floating state , the wreck will be towed to an Italian port , '' Costa says . The salvage process is expected to last a year , the cruise line said . Schettino 's first officer , Ciro Ambrosio , and six other officers both on the ship and from the firm Costa in Genoa are under investigation over allegations including manslaughter , shipwreck and failure to report the accident , the prosecutor said . The Costa Concordia struck rocks on January 13 off the coast of Giglio .
Construction companies from the U.S. and Italy will begin work next week . ` ` Once returned to a floating state , the wreck will be towed to an Italian port , '' Costa says . The salvage process is expected to last a year , the cruise line said . The Costa Concordia struck rocks on January 13 off the coast of Giglio .