United States Army Engineer Research and Development Laboratory
The United States Army Engineer Research and Development Laboratory was a United States Army Corps of Engineers research facility located at Fort Belvoir, Virginia.[1] Among other things, it was responsible for the creation of the ERDL woodland camouflage pattern in 1948 and it established the first U.S. Army research group dedicated to night vision systems in 1954, called the Research and Photometric Section.[2][3]