Karen Terwilliger, a local environmental expert, searches for Diamondback Terrapin Turtles making their way to shorelines at Joint Base Langley-Eustis, Va., May 10, 2017. Environmental experts like Terwilliger are contracted to help the installation’s environmental team add perseveration efforts to base infrastructure and shoreline plans. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)