It will also carry  24 tons of steel reclaimed from  the destroyed World Trade  Center Towers. Fittingly enough,  the steel was used in the bow  section, so it will be leading the  way as the ship named in honor  of September 11 victims carries  out its missions. The ship is  being built by <b>Northrop  Grumman Ship Systems,  Avondale Operations </b>in New Orleans. </p><!--noad-->