Riggin Vandals 

The owners of the J &amp: E Riggin say the vessel sustained tens of thousands of dollars in damage after lines were cut and the windjammer floated free. The vessel eventually crashed into a walkway.

Police say a 15-year-old boy from Rockland, and a 13-year-old boy from Thomaston are responsible.

They are both charged with aggravated criminal mischief.

Police have also charged the boys for slashing tires on several vehicles throughout the city.

The J &amp: E Riggin was built in 1927, and was declared a national historic landmark in 1991.