Headquarters for the National Security Agency is situated at 39°6′32″N 76°46′17″W / 39.10889°N 76.77139°W / 39.10889 -76.77139 in Fort George G. Meade, Maryland, while it is individual from other compounds and agencies that are based in this identical army set up. Construction of supplemental buildings started right after the agency occupied structures at Fort Meade in the late fifties, which they shortly outgrew.