190821-N-NZ999-022 BOSTON (Aug. 20, 2019) Chief petty officer selects, Sailors who have been selected for the paygrade of E-7, come together for Chief Heritage weeks aboard the oldest commissioned warship afloat in the world, USS Constitution. During the selects’ week spent aboard Constitution, Sailors teach them a variety of time-honored maritime evolutions while living and working aboard the ship. (U.S. Navy Photo by Seaman Nathan Roth/Released)