The event still start at 9:30 a.m. on Wednesday, Sept. 11, outsize the Courthouse Plaza county government building at 2100 Clarendon Blvd.
A moment of silence will be observed at 9:37 a.m., marking the time that American Airlines Flight 77 flew into the Pentagon. The silence will be followed by a playing of “Taps” and a lowering of the flag to half-staff.
Arlington County’s combined police, fire and sheriff color guard will be on hand, as will Sheriff Beth Arthur, Chief of Police Doug Scott and Fire Chief James Schwartz.
The event is open to the public.