190828-N-ZA688-0215 BOSTON (Aug. 26, 2019) Cmdr. Nathaniel R. Shick, 75th commanding officer USS Constitution speaks to chief petty officer (CPO) selects during Chief Petty Officer Heritage Week. CPO Heritage Week is a week dedicated to mentoring the Navy’s newest chiefs through naval history and heritage training aboard America’s Ship of State, USS Constitution. (U.S. Navy photo by Mass Communication Specialist 3rd Class Peter Ticich/Released)