Veterans Affairs Secretary Robert Wilkie told NPR the department was prepared to help back up the nation's health care system, if needed. Andrew Harnik/AP hide caption toggle caption Andrew Harnik/AP Veterans Affairs Secretary Robert Wilkie…

National Guard personnel march in formation Thursday at a state-managed coronavirus drive-through testing site that just opened on Staten Island in New York. Kathy Willens/AP hide caption toggle caption Kathy Willens/AP National Guard personnel march…

Jessica Mendoza (center), Virginia Hospital Center outpatient lab specialist; and James Meenan (right), director of Virginia Hospital Center outpatient lab, make final preparations before opening a drive-through coronavirus testing site on Wednesday in Arlington, Va.…