The Presidio was the oldest operating U.S. Army post until it became part of the Golden Gate National Recreation Area in 1994. Fort Point National Historic site was built between 1853 and 1861 on the Golden Gate. Because of the military importance of San Francisco Bay, the Union stationed soldiers at the Presidio during the Civil War.
San Francisco, California | Although its guns never fired a shot in anger, the "Fort at Fort Point" as it was originally named, has witnessed the Civil War, obsolescence, earthquakes, bridge construction, reuse for World War II, and preservation as a National Historic Site.
Wilmington, California | As U.S. Army Headquarters for Southern California and the Arizona Territory, the building protected the harbor, kept the peace, secured the area for the Union, and served as a supply depot.