200420-N-JW440-1073 Orange County, Calif. (April 20, 2020) John Burgard, a safety officer from California Medical Assistance Team (CAL-MAT) performs a fit test of a N-95 Mask at a skilled nursing facility on Hospital Corpsman 3rd Class Xavier Quintanilla, from Gainesville, Ga., assigned to the hospital ship USNS Mercy (T-AH 19). Mercy is deployed in support of the nation�s COVID-19 response efforts. One of the Department of Defense�s missions is Defense Support of Civil Authorities. DoD is supporting the Federal Emergency Management Agency (FEMA), the lead federal agency, as well as state, local and public health authorities including CAL-MAT and The California Department of Forestry and Fire Protection (CAL-FIRE) in helping protect the health and safety of the American people. (U.S. Navy Photo by Mass Communication Specialist 1st Class Rawad Madanat/Released)