Tech. Sgt. Dallas Cronin, 28th Communication Squadron NCO in charge of client systems (left), and Senior Airman Luis Peralta, 28th CS resource advisor, remove leaves from a parking lot at Ellsworth Air Force Base, S.D. Sept. 27, 2013. Cronin and Peralta participated in a base-wide clean up, in an effort to improve the appearance of the base and keep the environment clean. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)