200501-N-UA103-1098 NAVAL BASE GUAM (May 1, 2020) Hospital Corpsman 2nd Class Jason Castricone, from Plano, Texas and assigned to USS Theodore Roosevelt (CVN 71), checks the temperature of Mass Communication Specialist Seaman Alexander Williams, May 1, 2020. Theodore Roosevelt’s essential watch standers and cleaning team conducted a crew swap starting April 29, turning over a clean ship to a COVID-negative crew after completion of their off-ship quarantine or isolation. (U.S. Navy photo by Mass Communication Specialist 3rd Class Julian Davis/Released)