200319-N-LH674-1022 PHILIPPINE SEA (March 19, 2020) Hospital Corpsman 1st Class Ernesto Santa Ana, assigned to Naval Medical Research Center, loads a sample into an ABI StepOne Plus RT-PCR machine with samples for complex surveillance testing for COVID-19 in Naval Medical Research Center's mobile laboratory aboard the aircraft carrier USS Theodore Roosevelt (CVN 71), March 19, 2020. The Theodore Roosevelt Carrier Strike Group is on a scheduled deployment to the Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist Seaman Kaylianna Genier/Released)