an Entity references as follows:
The Churchville Test Area is a United States Army facility of the Aberdeen Proving Ground, located northeast of Bel Air, Maryland (in Harford County, Maryland, U.S.). The Churchville Test Area (39°35′46″N 76°15′11″W / 39.596°N 76.253°W) is a hilly set of cross-country road test tracks providing a variety of steep natural grades and tight turns designed to stress engines, drivetrains and suspension systems for Army vehicles, such as the M1 Abrams tanks, M2 Bradley fighting vehicle and the Humvee.