Constitution Climber Navy Seaman Melanie Santos climbs the mizzen top yard aboard the USS Constitution in Boston, May 13, 2021. The USS Constitution is the world’s oldest commissioned warship afloat, having actively defended sea lanes from 1797 to 1855. SHARE: Download: Full Size (1.81 MB) Tags: Navy Credit: Navy Petty Officer 2nd Class Grant Grady VIRIN: 210513-N-OM854-0421Y.JPG Photo Gallery