200227-N-CI012-0004 BOSTON (Feb. 27, 2019) Sailors aboard USS Constitution worked out with students from Harvard Kent Elementary School. USS Constitution, is the world’s oldest commissioned warship afloat, and played a crucial role in the Barbary Wars and the War of 1812, actively defending sea lanes from 1797 to 1855. Today, the Sailors stationed aboard provide free tours and visitation as the ship serves to promote the Navy’s history, maritime heritage, and supports educational outreach focused on raising awareness on the importance of a sustained naval presence to more than 600,000 visitors each year. (U.S. Navy photo by Mass Communication Specialist Seaman Alec Kramer/Released)