most of these buildings suffered extensive damage from interior fires, had their windows, doors and partitions knocked out, and all other fixtures, which were not integral parts of the reinforced concrete frame burned or blown away; the casualties in such buildings near the center of explosion were almost 100%. That bomb had more power than 20,000 tons of T.N.T It had more than two thousand times the impact force of the British Grand Slam, which is the biggest bomb ever yet utilized as a part of the historical backdrop of fighting. In a radius of one mile from the blast Hiroshima everything was demolished (Hanley). The identity of Hiroshima was almost lost. Within a three mile radius almost everything was destroyed. “Some were bloated and
