Jim Robbins has suggested that steel from the World Trade Center be used for war medals. The Navy is on a similar wave length:

ARLINGTON, Va. — From rubble to avenging angel: The U.S. Navy is using steel from the World Trade Center in a new ship, according to the Navy.
Ten tons of steel from the World Trade Center’s twin towers will be used in the construction of the USS New York, according to a Navy official.