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Report: Hawaii to test nuclear sirens for 1st time since Cold War

For the first time since the Cold War, Hawaii will be conducting monthly tests of a nuclear warning siren system aimed at alerting residents to an impending nuclear missile strike, according to a report from CNN.

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Starting Friday, the state will begin the monthly tests, which will be part of the overall test of the statewide warning siren system, the report said, citing the Hawaii Emergency Management Agency.

At 11:45 a.m. on the first business day of each month, a steady alert signal will sound from speakers for 50 seconds, which will then be followed by a 10-second pause and then an "attack warning" signal for 50 seconds, CNN reported.

Hawaii sits about 4,600 miles from North Korea and CNN reported the state would have about a 20-minute heads up before a missile launched by Kim Jong Un's regime would strike the U.S. islands.

The tests will follow the latest missile launch by North Korea, which was reported to have happened Tuesday, according to multiple media reports.