Aberdeen Proving Ground, MD

ZIP code 21005 is located in Maryland, specifically in Aberdeen Proving Ground. This area is home to the U.S. Army's oldest active proving ground, where research and testing of military equipment takes place. Key landmarks in the area include the Edgewood Area of Aberdeen Proving Ground, which houses facilities for chemical and biological defense research, and the U.S. Army Ordnance Museum, showcasing a vast collection of military weapons and vehicles.