Reinforced steel 20’x8’x8’6″ underground storage system. Protect items safely from above ground threats safely underground. Each unit fabricated from steel, waterproofed, and ready to be used upon delivery and burial. This structure comes with a large 1/4″ thick hatch that is opened and locked with hydraulic cylinders powered by 12v DC battery. Basic 12v motion activated lighting included. Provided in this structure is a side crawl out emergency entrance. Built standard with 6″ Air intake and exhaust ports to allow for proper ventalation. This structure is designed to burried under 4′ of earth. Structure coated on all sides with closed cell foam for water proofing and thermal properties to provide a long working life to the structure.