200321-N-VU442-009 SAN DIEGO (March 21, 2020) Master-at-Arms 3rd Class Ashlee McCasland, Master-at-Arms 2nd Class Jonathan Shaw and Senior Chief Master-at-Arms Lou Canton prepare pallets of supplies to be loaded aboard the Military Sealift Command hospital ship USNS Mercy (T-AH 19) at Naval Base San Diego, March 21, 2020. Mercy is preparing to deploy 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. This will allow shore-based hospitals to use their Intensive Care Units and ventilators for COVID-19 patients. (U.S. Navy photo by Senior Chief Mass Communication Specialist Mike Jones/Released)