BOSTON (Oct. 20, 2021) The 9th Master Chief Petty Officer of the Navy, retired Master Chief Petty Officer Jim Herdt, speaks with chief petty officer selectees, Sailors who have been selected for the paygrade of chief petty officer, during Chief Heritage Week aboard the oldest commissioned warship afloat in the world, USS Constitution. During the week, Constitution Sailors teach the selectees a variety of time-honored maritime evolutions while living and working aboard the ship. (U.S. Navy photo by Mass Communication Specialist 1st Class Anna E. Van Nuys)