The plan unveiled by Pyongyang detailed the launch of four medium-long range Hwasong-12 rockets that will cross the sky above Shimane, Hiroshima and Kochi prefectures at a distance of 3,356.7 kms for 1,065 seconds (nearly 18 minutes) before hitting the waters 30 to 40 km away from Guam.
Martinez was born and raised on this small island of 160,000 or so people.
Recent days have seen a significant escalation of tensions in the region as preparations are put in place for a possible launch in Guam, Japan and South Korea.
Even a limited strike against a North Korean missile on its launching pad or the shooting down of a missile in midair would pose risks that the North's leader, Kim Jong-un, might retaliate, setting off a spiral of escalation that could plunge the Korean Peninsula into war.
North Korea has test-fired two ICBMs since early July.
And if North Korea's missiles prove no match for USA interceptors, Kim Jong Un might be chastened into thinking twice before conducting any more.
Like Martinez, most of the dozen or so residents CNN spoke to weren't panicked.
North Korea has responded in kind, assuring the U.S. of "total defeat" in the event of a war and claiming it is preparing for an attack on the American military base in Guam in mid-August.
China, Guam and Hawaii have recently conducted preparations to ready their military and citizens.
He added: 'But I am always quick to shutter up whenever we get typhoon advisories or tsunami warnings.
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Itsunori Onodera told Japan's parliament, or Diet, that a North Korean attack against Guam would be considered an existential threat to the country and give Japan the right to activate its Aegis destroyer missile defense system. "Is this really going to happen?" said Cecil Chugrad, a 37-year-old bus driver for a tour bus company in Guam.
The United States could try a similar approach: attacking North Korea's missiles while warning Mr. Kim that his government would be the next target if he dared to strike back. The naval base, located on the southwest part of the territory, has nuclear-powered submarines.
"It was no accident that North Korea threatened to launch four missiles, it deliberately complicates the decisions of USA policy makers", he said.
"I can't underscore enough how unappealing all the military options are", said Christine Wormuth, the Pentagon's top policy official at the end of the Obama administration.
Meanwhile US Secretary of State Rex Tillerson called for calm and said people should "sleep well at night".
If there is fear among Guam's younger community, however, you wouldn't know it at Infusion Coffee.
According to a statement from China's Ministry of Foreign Affairs, Xi told Trump in a call between the two leaders Saturday that all "relevant parties should exercise restraint and avoid words and actions that would escalate tensions on the Korean Peninsula".
A spokesman for SDF said the missiles were being deployed not to intercept missiles, but rather "just in case".
GENEREUX: It's a very serious topic, for sure, and it can be scary. "But, I believe in the USA that they will take care of us, and between my belief and my trust in our United States president I don't worry". He recommended the government use the current "negotiating period" to ramp up its missile defense capabilities before pinned Kim Jong-un against the figurative wall. People are anxious about their families stressing out, not a nuclear showdown.