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Aberdeen Test Center is located on Aberdeen Proving Ground, the nation’s oldest proving ground, established in 1917. It is located in the northeast portion of Maryland in Harford County, on the western shore of the Chesapeake Bay.

ATC consists of about 79,000 acres of land and water, with low-lying marshes, flat meadows and woodland, and gently rolling hills. The waters of the Chesapeake Bay, the Gunpowder and Bush rivers, as well as numerous creeks and ponds comprise nearly half of the area owned or leased by the installation, which has about 103 miles of shoreline. Three main areas comprise APG: the Aberdeen Test area accessed through APG’s main post; the Edgewood area to the southwest; and the separate Churchville Test Area to the northwest.

The nearest town, Aberdeen, has a population of 13,000. The surrounding area in Harford County has about 209,000 inhabitants. APG is accessible from U.S. Highway 40 and has easy access to Interstate 95. Baltimore-Washington International Thurgood Marshall Airport (BWI) is approximately 45 miles to the southwest and Philadelphia International Airport (PHL) Is just over 60 miles northeast. There is an Amtrack station in Aberdeen.

There are a few metropolitan areas within driving distance from the installation including Baltimore, about 35 miles away; Washington D.C. about 65 miles; Philadelphia about 75 miles; and New York City, about 170 miles. Local towns like Havre de Grace and Bel Air offer plenty to do.