US President Donald Trump has told Guam Governor Eddie Calvo over the phone that "You are safe".
"In the U.S., Trump is talking rhetoric without hesitation that 'he will not rule out a war against the north rather than taking a folded-arm approach towards its development of long-range nuclear missile advancing with a rapid speed, '" the KCNA quoted the spokesman as saying.
The plan calls for missiles to be fired into the sea about 40 kilometres from the coast of Guam.
"The plan is to be soon reported to the Supreme Commander (Kim Jong Un) soon after going through full examination and completion and will be put into practice in a multi-concurrent and consecutive way any moment once Kim Jong Un, supreme commander of the nuclear force of the DPRK, makes a decision", said the spokesman.
And he told the former hotel magnate, "We have 95 percent occupancy and after all of this stuff calms down we're going to have 110 percent occupancy".
"If an attack warning is issued, take cover as quickly as you can, under concrete structure or below ground if possible", the sheet adds."In time you will be able to leave a fallout shelter".
North Korea Threat: US, Japanese troops prepare for war
Four Congo-class and two Atago-class destroyers are equipped with Aegis SM-3 missiles, created to engage missile in the mid-course phase.
"Mr President, as the Governor of Guam, representative of Guam's people, and as an American citizen, I felt never more safe and confident with you at the helm", the Governor said with a smile.
Admist ongoing threats from North Korea targeting Guam and the surrounding waters, no state of emergency has been declared.
A picture released by Korean Central News Agency showing North Korea's intercontinental ballistic missile (ICBM) Hwasong-14 being launched at an undisclosed place in North Korea.
The President said he wanted to give his "highest respect and regards" to the people of Guam and that the military is rock solid "we've got the best in the world", he added.
On Wednesday, Mr Trump followed up his "fire and fury" warning with a boast about United States nuclear capabilities.