180315-N-AA191-0025 NORFOLK (March 15, 2018) Aviation Structural Mechanic 1st Class Sherwin Hernandez pours a magnetic penetrating dye on an arresting gear clevis socket to check for cracks aboard the aircraft carrier USS George H.W. Bush (CVN 77). The ship is in port in Norfolk, Va., conducting sustainment exercises to maintain carrier readiness. (U.S. Navy photo by Mass Communication Specialist 3rd Class Omar A. Diaz/Released)