100 MPH debris shot test TTU shelter from the storm severe weather pods. We want to make it clear that storm shelters only have to pass a 67mph debris shot simulating a 250MPH wind with debris calcluated at 67MPH by using a 2x6 thats 10 feet long shot by a missle launcher.severe weather pods saferooms steel and fiberglass shelters highest rated underground bomb units survival pods
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