Pier, 460th Security Forces Squadron military working dog, searches for a training device March 20, 2013, at a training facility on Buckley Air Force Base, Colo. Pier and his handler, Staff Sgt. Marque Daniels, were one of several teams that participated in a K-9 training exercise hosted by the 460th SFS. (U.S. Air Force photo by Airman 1st Class Riley Johnson/Released)