ASNV recommended using bird-friendly design features in a proposed new building at the Humphreys Engineer Center in Fort Belvoir. Features include bird-safe windows and lighting design and landscaping with native plants. The letter noted that the site is surrounded by second-growth forest, is in the drainage area for Dogue Creek and upstream of the Jackson Abbott Wildlife Refuge in that watershed, and is part of a forested corridor linked to Huntley Meadows Park.