OFFUTT AIR FORCE BASE, Neb. -- Airman 1st Class Tony Z.S. Vang, a Milstar maintenance apprentice with the 55th Strategic Communications Squadron, points to the 55th SCS placard on the DUI awareness board inside the Kenney Gate June 4. A few moments earlier, Airmen from the 55th SCS moved the units placard from the two year to the three year mark. The unit is one of seven who've been DUI free for three years or more. U.S. Air Force Photo by Mr. D.P. Heard