180425-N-EX853-024 PACIFIC OCEAN (April 25, 2018) Aviation Machinist Mate 2nd class Tyner Shawn, from DeBary, Fla., disassembles a tail rotor on a SH-60 helicopter aboard the aircraft carrier USS John C. Stennis (CVN 74). John C. Stennis is underway conducting routine training as it continues preparing for its next scheduled deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Isabel Birchard/Released)