Virginia, Fairfax County, McLean
The Virginia approaches to the Chain Bridge were guarded by Fort Marcy on the old Leesburg Turnpike and Fort Ethan Allen on the Military Road. The sites were occupied by Union troops on September 24, 1861, and the earthworks completed in short order. Fort Marcy was named for Brig. General Randolph B. Marcy, Chief of Staff for Major General George B. McClellan. The armament consisted of 17 guns with one platform vacant and 3 mortars.
(Forts, Castles • War, US Civil) Includes location, directions, 5 photos, GPS coordinates, map.
![](http://www.hmdb.org/Photos2/262/Photo262140.jpg)
(Forts, Castles • War, US Civil) Includes location, directions, 5 photos, GPS coordinates, map.