Those on Oahu in particular are toast in the event of a nuclear attack.  People on the outer islands
may have a chance but not much depending on which way the winds are blowing at the time.
The reality is that the islands are a prime target due to the many military installations based especially
on Oahu, just as it was when Oahu was attacked on Dec 7, 1941.
Civil defense here should focus on being prepared for natural disasters as this makes practical  sense
and it is more realistic than coming up with a bull---- plan for a nuclear attack.