The most specific threat from North Korea at the moment is directed at the US territory of Guam, a tiny island in the Pacific.
It was from Andersen AFB that two B1-B bombers flew on Monday in a 10-hour mission that included flying with Japanese F-2 fighters in Japanese airspace, and then with South Korean F-15 fighters in that country's airspace.
As part of its defenses on Guam, the U.S. installed a Terminal High Altitude Area Defense system in 2013. An air base with long-range bombers and a naval base that's home port for fast-attack submarines are among the most "strategically important" the US has in the Pacific, according to the CIA World Factbook.
If the missiles landed within 40 kilometers (25 miles) of Guam, as threatened, according to UN law, they would fall within the United States' exclusive economic zone although not their territorial waters.
He wondered if bolstering missile defense for Taiwan, South Korea, and Japan-despite China's objections, even though he said China is the means to control North Korea without violence.
The US military has reportedly identified two dozens of targets in North Korea - launch sites, testing grounds and support facilities - that will come under the attack, the outlet said.
On Wednesday, President Trump continued to ramp up his aggressive rhetoric against North Korea despite being at odds with other world leaders who deemed it unhelpful.
The KPA spokesman said the Minuteman ICBM test-launch and the mobilization of "nuclear strategic bombers" from Guam indicated that the USA was "driving the regional situation to an extreme pitch".
And if North Korea's missiles prove no match for US interceptors, Kim Jong Un might be chastened into thinking twice before conducting any more.
In South Korea, a recently deployed THAAD missile defense system would not be able to intercept a launch toward Guam but could quickly detect the launch on its radar.
A notice put out by Guam's Joint Information Center Saturday warned residents how to prepare "for an imminent missile threat".
"The system's created to engage multiple targets simultaneously, so that should be quite feasible to do", Bennett said.
"The execution of this plan will offer an occasion for the Yankees to be the first to experience the might of the strategic weapons of the DPRK closest", the spokesman said.
At present, Seoul is allowed to possess ballistic missiles with a range of 800 kilometres and payload of 500 kilogrammes.
Pyongyang continued to escalate its confrontation with the US on Wednesday when it announced that its military would have a plan in place by mid-August to launch an attack on waters near Guam.
Even before the latest spike in tensions, South Korea was seeking to enhance its missile-defence capabilities in the face of the unprecedented pace of North Korean missile tests. It would be up to American missile defenses to knock out any that survived and that North Korea might use to attack the United States or its allies.
A North Korean attack or an American pre-emptive strike is unlikely, said John Delury, an associate professor of East Asian Studies at Yonsei University in Seoul.
If any of the four long-range missiles successfully made it through USA defense, Mount said, it would be a huge victory for the rogue state.
The problem, as clearly demonstrated during the last several chaotic days, is that North Korea doesn't want to talk.
At home the North Korean leader must rally his impoverished people by showing off his daring in the standoff with the United States, his country's sworn enemy for more than six decades.