200327-N-LH674-1021 APRA HARBOR, Guam (March 27, 2020) Hospital Corpsman 1st Class Ernesto Santa Ana, from Lynwood, Calif., prepares a sample for investigational analysis in the Naval Medical Research Center mobile laboratory aboard the aircraft carrier USS Theodore Roosevelt (CVN 71), March 27, 2020. Theodore Roosevelt is in port in Guam for a scheduled port visit for resupply and crew rest during their scheduled deployment to the Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist Seaman Kaylianna Genier/Released)