180213-N-YC286-0044 BOSTON (Feb. 13, 2018) Margherita Desy, Historian at Naval History & Heritage Command Detachment Boston, teaches crewmembers assigned to USS Constitution about the sails on Constitution as a part of weekly museum training. The USS Constitution Museum, Columbia College and Naval History and Heritage Command are conducting a twelve-week training about Constitution's history for the ship's crew this year. (U.S. Navy photos by Seaman Tiana Coots/Released)