VOLUNTEERS NEEDED! Sign-up below. LOCATION: Dulles Expo Center 4320 Chantilly Shopping Center Chantilly, Virginia 20153 Get directions Friday, December 30th, 2016 (3PM to 8PM) Saturday, December 31st, 2016 (9AM to 5PM) Sunday, January 1st, 2017 (10AM to 5PM) [sign_up_sheet id=”18″]