190509-N-FA490-1027 PACIFIC OCEAN (May 9, 2019) Machinist’s Mate 3rd Class Krystal Johnson, from Lawrenceville, Ga., tests an oil sample aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is conducting routine operations in the eastern Pacific. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Langholf/Released)