Ship riggers Dan McClane, left, and Ryan Whitehead, both assigned to Naval History and Heritage Command, Detachment Boston, set USS Constitution's dolphin striker into place.

BOSTON (Jun. 12, 2018) Ship riggers Dan McClane, left, and Ryan Whitehead, both assigned to Naval History and Heritage Command, Detachment Boston, set USS Constitution's dolphin striker into place. The square-rigged frigate is America's Ship of Sate and the oldest commissioned warship afloat in the entire world. (U.S. Navy photo by Mass Communication Specialist 3rd Class Casey Scoular) File# 180612-N-SM577-0068