

Army Medical Research Institute for Chemical Defense in the APG Edgewood area. Currently, the district is finishing construction on the $280 million U.S. As a result of the 2005 Base Realignment and Closure Act, the District performed construction work worth over $1 billion. It is a center for Army materiel testing, laboratory research and military training. Research, Development and Engineering Command, the Army Test and Evaluation Command Headquarters, and the Public Health Command. The Baltimore District supports its over 60 tenant units including: the U.S. Established in 1917, it covers 72,500 acres and is the Army’s oldest active proving ground.

Aberdeen Proving Ground (APG) is located approximately 25 miles northeast of Baltimore, Maryland.
