U.S. Navy PETTY Officer 1ST Class Tim Darnell wades through lilly pads in the man-made artificial wetland at the Tipton County Veteran's Memorial Park and Nature Trail in Covington, Tenn., on Aug. 18, 2006. He was recently selected for promotion to USN CHIEF PETTY Officer. The USN CHIEF PETTY Officer's Association has been volunteering here annually to maintain the park for past seven years. (U.S. Navy photo by CHIEF Mass Communication SPECIALIST Chris Desmond) (Released)