USS Constitution sets sail again

The USS Constitution is escorted by a tugboat in Boston Harbor as a crowd looks on from the shore in Boston, Aug. 19, 2012. The USS Constitution, the U.S. Navy's oldest commissioned war ship, sailed under her own power during the event for the first time since 1997. The sail was held to commemorate the 200th anniversary of the ship's victory over HMS Guerriere in the War of 1812.

U.S. Navy personnel gather sails in the rigging of the USS Constitution as the vessel arrives at her berth in Charlestown Navy Yard, in Boston, Aug. 19, 2012.

Military reenactors in the uniforms of U.S. Marines from the war of 1812 march in front of the USS Constitution moments after the vessel arrived at her berth in Charlestown Navy Yard, in Boston, Aug. 19, 2012.

USS Constitution maintenance and repair crew member Michael Desmond, of Lynn, Mass., front, secures a line from the ship to the shore as the historic vessel is docked at her berth in Charlestown Navy Yard, in Boston, Aug. 19, 2012.

An onlooker waves a colonial era flag as the USS Constitution passes through Boston Harbor in Boston, Aug. 19, 2012.

The USS Constitution fires one of her guns in Boston Harbor as a crowd looks on from the shore in Boston, Aug. 19, 2012.

The USS Constitution is escorted by a tugboat in Boston Harbor in Boston, Aug. 19, 2012.

The USS Constitution fires one of her guns in Boston Harbor as a crowd looks on from the shore in Boston, Aug. 19, 2012.

The USS Constitution is escorted by a tugboat in Boston Harbor in Boston, Aug. 19, 2012.

This image released by the U.S. Postal Service shows a forever stamp unveiled during a ceremony in Boston, Aug. 19, 2012.