"Harvest Brigade" is this year's theme for the Half-Century of Progress at the former Chanute Air Force Base in Rantoul. The event begins today (Thursday) and runs thru the weekend in Champaign County. A WGFA broadcast on 94.1 kicks off the show today from 1 - 3 pm. Don Elliott host the 'live" broadcast, hewlping to cover the openng day festivities. Parades tractor pulls and the world's largest flag will be on display.