A military structure is located at coordinates 33.6510497,-85.952249, near Heflin, Alabama, in Cleburne County. The specific identity, historical context, and purpose of this installation are not confirmed by the provided search results. The region has a general history of military training and infrastructure, but no direct link to the sites detailed in the search results—such as the Cheyenne Mountain Complex in Colorado or the Greenbrier bunker in West Virginia—can be established for this precise location.
Further localized historical or archival research would be required to verify its nature and era.