During the Second World War, the US dropped a total of 2,000,000 tons of bombs. In Indochina, at least 8,000,000 tons were dropped. The explosive power of these bombs corresponded to about 640 Hiroshimas.
During the Second World War, seventy per cent of the US bombs were aimed at individual targets, and only thirty per cent at entire areas. In Indochina area bombing made up eighty per cent of the attacks. In Germany and Japan twnety-six kilos of bombs per hectare of enemy land were dropped. In Indochina it was 190 kilos.