A military bunker located near Huntsville, Alabama, United States, at the specified coordinates. The region is known for its significant military and aerospace heritage, including the Redstone Arsenal and NASA's Marshall Space Flight Center. However, the provided web search results do not contain information confirming the existence, type, or history of a specific bunker at this precise location.
Further local historical or archaeological verification would be required to detail this structure's purpose, construction era, or current status.