ELLSWORTH AIR FORCE BASE, S.D., -- (Left) Maj. Robert Kelly, 28th Communications Squadron commander, and Master Sgt. Carl Petermann, 28th CS first sergeant, place their squadron magnet into the two years DUI free section of a sign board at Ellsworth Air Force Base, S.D., Dec. 22. By doing their part to prevent DUIs, the 28th CS sets a good example in developing a positive culture at Ellsworth. (courtesy photo)