Our shelters protect from 100 KT blasts .9 miles away but 379 deg. at ground zero is a challenge. https://t.co/BpNyvrELWS — Walton McCarthy (@noradshelters) April 6, 2017
Our shelters protect from 100 KT blasts .9 miles away but 379 deg. at ground zero is a challenge. https://t.co/BpNyvrELWS
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