Share This Gallery: Hundreds of cars lined up along N. Quincy Street in Arlington, Virginia, before 7:30 a.m. Saturday, waiting for the opening of Arlington County’s E-CARE event.

Prince Harry, 40, and Prince William, 42, were both present at their uncle's memorial service in August, with the Duke of Sussex traveling back to the U.K. from his California home to attend.

Robert Fellowes, the uncle of Prince William and Prince Harry and the brother-in-law of their mother, the late Princess Diana, has died at age 82.