Airmen from the 28th Communication Squadron participate in a base-wide clean up at Ellsworth Air Force Base, S.D. Sept. 27, 2013. Throughout the day, Ellsworth Airmen played their role in cleaning the base by removing trash, leaves and weeds from parking lots, parks, lakes and other facilities. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)