Naval Base Guam is an important outpost for USA fast-attack nuclear powered submarines that are a key means for gathering intelligence in the region, including off the Korean peninsula and in the South China Sea where China has been building military bases on man-made islands that have stirred tension across Asia.
"I feel that the presence of the military on Guam will help us a lot", said Virgie Matson, 51, a resident of Dededo, Guam's most populated village.
Kim reiterated that the aim of the military operation was to "interdict the enemy forces on major military bases on Guam and to signal a crucial warning to the U.S". "Hopefully Kim Jong-un will find another path!" he tweeted.
"It's been a bit of a roller coaster this week, with all the rhetoric between the U.S. and North Korea", said Jeff Kravetz, regional investment strategist at U.S. Bank Wealth Management.
South Korea and Japan warned North Korea that it would face a strong response if it carried through with a threat to launch a missile toward the USA territory of Guam.
Guam, with an economy that depends on tourism, largely from Japan and South Korea, both of whom also feel threatened by North Korea, now finds itself in the middle after USA bombers staged military exercises from here recently.
"It's just like setting off fireworks because most of their guided missiles just crash midway through flight", she said. "There are many people that I have come in contact with that didn't even know Guam existed", he said. Many are shorter range, such as the Hwasong-12 missiles which the North has threatened to fire toward Guam.
"Well, I think as far as reassurance they probably feel as reassured as they can feel".
"It's not something you can do without robust, full support from the South Korean government people, and there's absolutely no sign that South Korea will support military options with North Korea", Delury said. "Beyond that, we also have a president who has got a more aggressive tenor than other presidents in the past".
But it also said that if the US and South Korea attacked North Korea to force regime change, then China must intervene to prevent it.
At the time North Korea said it was launching a telecommunications satellite, but Washington, Seoul and Tokyo believed Pyongyang was testing an intercontinental ballistic missile.
"Now is time to start reviewing nuclear armament", the Korea Herald said in an editorial.
Pyongyang's media outlet said America was making "desperate efforts" to test weapons in the Korean peninsula.
North Korea has frequently threatened to target US bases in the region as well as to turn the South Korean capital Seoul into a "sea of fire".
Washington has warned it is ready to use force if needed to stop North Korea's ballistic missile and nuclear programs but that it prefers global diplomatic action. But residents are increasingly anxious over Washington's escalating war of words with North Korea.
Carl Schuster, a Hawaii Pacific University professor and former director of operations at the U.S. Pacific Command's Joint Intelligence Center, told CNN a single ship equipped with Aegis could probably take out two missiles.
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