In this photo provided by the U.S. Navy acting Secretary of the Navy Thomas B. Modly is toured through the patient transfer process at the Military Sealift Command hospital ship USNS Mercy (T-AH 19), Tuesday, March 31, 2020. Mercy deployed in support of the nation's COVID-19 response efforts, and will serve as a referral hospital for non-COVID-19 patients currently admitted to shore-based hospitals. (Petty Officer 1st Class David Mora/U.S. Navy via AP)
