USS Constitution will be open to the public on Monday, April 20, from 10 a.m. to 4 p.m.  In observance of Patriots’ Day, visitors are invited to come aboard and explore the historic vessel and experience more than 228 years of U.S. Navy history.  All guests ages 18 and older must present a valid form of identification for entry. #USNavy #USSConstitution #OldIronsides #NavalHistory #AmericasShipofState