Back Yard, NATO military bunker in Grezzana, Italy.
The underground bunker extends through three Y-shaped tunnels carved into Mount Vicino, featuring command rooms, dormitories, kitchens, and water storage facilities.
Built in 1958 as SITE A for Allied Land Forces Southern Europe, this military base operated continuously until 2000 as a strategic NATO command center.
The bunker reflects Cold War military engineering, incorporating advanced filtration systems and four power generators to maintain independent operations.
Visits to Back Yard require prior authorization from Grezzana municipal authorities, who maintain regular security checks of the premises.
The facility maintained 24-hour operational readiness throughout its service, with 80 percent of its protection derived from maintaining complete secrecy.
Location: Grezzana
Inception: 1960
Part of: Allied Land Forces Southern Europe
GPS coordinates: 45.52709,11.00743
Latest update: May 17, 2025 10:27
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