[Assignment: 48-DPA-03-16-08_SOI_K_St._Pat_Motors] U.S. Park Police motorcycle unit on hand for annual St. Patrick's Day Parade, Washington, D.C., with Secretary Dirk Kempthorne [meeting officers, inspecting vehicles, and participating in the motorcylce procession] [48-DPA-03-16-08_SOI_K_St_Pat_Motors_DOI_1211.JPG]