They are manufactured by us at our facility in the Midwest USA. DEFCON 4 units come standard with water filtration, NBC filter, blast valves, full bathroom, bullet resistant doors, 45 degree entrance, and many other standard features. DEFCON 4 Standard units are 8′ x 16′ x 20′ and are 100% steel. This is our DEFCON 4 Standard single unit underground bunker floor plan, bomb shelter, and survival shelter. DEFCON 4 Standard 8'x16'x20' Bunker Design.

All our units are built by us, supplied by us, and installed by us. Our products and quality control are set at the highest possible standards. Our Bunkers come many standard amenities that other companies consider upgrades making DEFCON 5 Standard underground bunkers top of the line. DEFCON 5 units come standard with water filtration, NBC filter, blast valves, full bathroom, bullet resistant doors, 45 degree entrance, and many other standard features. DEFCON 5 Standard units are 8′ x 8′ x 20′ and are 100% steel. This is our DEFCON 5 Standard single unit underground bunker floor plan, bomb shelter, and survival shelter. DEFCON 5 Standard 8'x8'x20' Bunker Design.Our Bunkers come many standard amenities that other companies consider upgrades making DEFCON MINI underground bunkers top of the line. DEFCON MINI units come standard with water filtration, NBC filter, blast valves, full bathroom, bullet resistant doors, 45 degree entrance, and many other standard features. DEFCON MINI Standard units are 8′ x 8′ x 12′ and are 100% steel. This is our DEFCON MINI Standard single unit underground bunker floor plan, bomb shelter, and survival shelter. Long lasting Exterior coating on Exterior.Side Entrance 45 Deg Stair Well with hand rail.Bullet resistant doors and hatch, 1/2’” AR 500 Steel.

Nuclear fallout shelter plans