AFAIK to arm the Hiroshima bomb all the crew had to do was to replace green pins with red ones. Then the bomb emitted a sound to confirm it was armed. IIRC one of the original green pins was found when Enola Gay was restored.
AFAIK to arm the Hiroshima bomb all the crew had to do was to replace green pins with red ones. Then the bomb emitted a sound to confirm it was armed. IIRC one of the original green pins was found when Enola Gay was restored.