'''Fort Mason''', oncein known as '''[[San Francisco]], Port[[California]], was the headquarters and original core of Embarkation,the US Army's ''', in [[San Francisco]],[[CaliforniaPort of Embarkation]],'''. It is a former [[United States Army]] post located in the northern [[Marina District, San Francisco, California|Marina District]], alongside [[San Francisco Bay]]. Fort Mason served as an Army post for more than 100 years, initially as a [[Seacoast defense in the United States|coastal defense]] site<ref name=nomination>{{Cite web|last=Thompson|first=Erwin N.|title=San Francisco Port of Embarkation, U.S. Army|work=National Register of Historic Places - Inventory Nomination Form|publisher=[[National Park Service]]|date=July 8, 1984|url={{NHLS url|id=85002433}}|format=pdf|access-date=20 May 2012}}</ref> and subsequently as a military port facility. During [[World War II]], it was the principal port for the Pacific campaign.<ref name="nhlsum"/>
Today it is part of the [[Golden Gate National Recreation Area]] and the site of several cultural facilities. The entire fort area is listed as a [[historic district (United States)|historic district]] on the [[National Register of Historic Places]],<ref name="nhlsum"/> with 49 buildings of historic significance, spread over {{convert|1200|acre}}.<ref>[http://www.noehill.com/sf/landmarks/nat1972000109.asp Noehill original nhld]</ref><ref>[http://www.noehill.com/sf/landmarks/nat1979000530.asp Noehill boundary increase]</ref> while the lower port area is a [[National Historic Landmark District]], designated for its role in World War II.
