190508-N-ZM949-1047 PACIFIC OCEAN (May 8, 2019) Lt. Roger Kim, from Torrance, Calif., tactical action officer aboard the aircraft carrier USS Theodore Roosevelt (CVN 71), monitors activity of aircraft using integrated air surveillance and self-defense systems. Theodore Roosevelt is conducting routine operations in the eastern Pacific. Portions of this photo have been blurred for security resons. (U.S. Navy photo by Mass Communication Specialist 3rd Class Erick A. Parsons/Released)