150715-N-OT964-256 BATH, Maine (July 15, 2015) Master Chief Petty Officer of the Navy (MCPON) Mike Stevens conducts a CPO 365 training session with Sailors assigned to the guided-missile destroyer Pre-Commissioning Unit (PCU) Zumwalt (DDG 1000). Stevens met with command leadership, Sailors and conducted an all hands call. (U.S. Navy photo by Mass Communication Specialist 1st Class Martin L. Carey/Released)