Guam's governor Eddie Calvo says his island is prepared for the worst despite an assurance there is only a one in a million chance of the US territory being hit by a North Korean nuclear missile.
This comes as the North Korean leader Kim Jong Un says he is reviewing plans to strike waters near Guam.
Mr Kim says he will watch the United States for a while longer before making a decision.
Koroi Hawkins has more.
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Photo: Guam Airforce