Susan Miller, 733rd Civil Engineer Division Environmental Element chief, holds a medallion that volunteers affixed near sewer lines to remind people to stay away from dumping in the drains during the 2012 Earth Day celebration at Fort Eustis, Va., April 16, 2012. The 733rd CED will host a week-long series of clean-up and environmental awareness events April 22-26 in honor of Earth Day, held April 22 annually. (Courtesy photo by Toni Guagenti/Released)