During the Civil War, the U.S. Army constructed a series of forts and artillery batteries around Washington to protect it from Confederate attack. Forts O'Rourke, Weed, Farnsworth, and Lyon stood just to the north, and Fort Willard, which still exists, to the east. These fortifications constituted the extreme southern defense line of the city. By war's end, a line of 163 forts and batteries extended about 37 miles around Washington, but today only a handful survive. A century later, during the Cold War, a ring of Nike missile sites similarly encircled the capital to protect it.
Geographic Location: Fairfax County
Physical Description of Location: Alexandria, VA 22306. Located on Richmond Hwy (Hwy 1), 0.25 miles southwest of the intersection of Richmond Hwy (Hwy 1) and Quander Road. Marker is on the left when traveling southwest on Richmond Hwy (Hwy 1).
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