Jay Carr, a 733d Civil Engineer Squadron wildlife biologist, left, and Tim Christensen, 733d CES natural resources manager, hold up a historical photograph of a waste water treatment plant that once occupied the forest behind them at Joint Base Langley-Eustis, Virginia, April 20, 2022. The forest rehabilitation project is currently ongoing and over the span of 15 years has created a forest of mixed oaks. (U.S. Air Force photo by Senior Airman Johnny Foister)