190428-N-JX182-1049 PACIFIC OCEAN (April 28, 2019) Aviation Support Equipment Technician Airman Juan Garcia Cervantes, from Phoenix, tightens a nut on a diesel hydraulic generator in the hangar bay of the aircraft carrier USS Theodore Roosevelt (CVN 71), April 28, 2019. Theodore Roosevelt is conducting routine operations in the Eastern Pacific. (U.S. Navy photo by Mass Communication Specialist 3rd Class Charles DeParlier/Released)