150705-N-SU274-002 CHARLESTOWN, Mass. (July 5, 2015) Sailors assigned to USS Constitution perform a War of 1812-era boarding pike drill in Charlestown Navy Yard as part of Boston Harborfest 2015 festivities. Harborfest is an annual city-wide celebration of Boston's colonial and maritime heritage. (U.S. Navy photo by Mass Communication Specialist 2nd Class Peter Melkus/Released)